Home / 97,746.20-146,630.84-31,162.98

Finding the Fourth Proportional to 97,746.20, 146,630.84 and 31,162.98

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Solution

The fourth proportional to 97,746.20, 146,630.84 and 31,162.98 is: 46,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,746.20 : 146,630.84 = 31,162.98 : x
  2. Step 2: Convert to fraction form
    97,746.20/146,630.84 = 31,162.98/x
  3. Step 3: Cross multiply
    97,746.20x = 146,630.84 × 31,162.98
  4. Step 4: Simplify right side
    97,746.20x = 4,569,453,778.49
  5. Step 5: Solve for x
    x = 4,569,453,778.49/97,746.20
  6. Step 6: Final answer
    x = 46,748.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.