Home / 91,746.12-126,590.40-59,961.72

Finding the Fourth Proportional to 91,746.12, 126,590.40 and 59,961.72

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Solution

The fourth proportional to 91,746.12, 126,590.40 and 59,961.72 is: 82,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,746.12 : 126,590.40 = 59,961.72 : x
  2. Step 2: Convert to fraction form
    91,746.12/126,590.40 = 59,961.72/x
  3. Step 3: Cross multiply
    91,746.12x = 126,590.40 × 59,961.72
  4. Step 4: Simplify right side
    91,746.12x = 7,590,578,119.49
  5. Step 5: Solve for x
    x = 7,590,578,119.49/91,746.12
  6. Step 6: Final answer
    x = 82,734.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.