Home / 48,707.70-67,193.55-31,705.74

Finding the Fourth Proportional to 48,707.70, 67,193.55 and 31,705.74

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Solution

The fourth proportional to 48,707.70, 67,193.55 and 31,705.74 is: 43,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,707.70 : 67,193.55 = 31,705.74 : x
  2. Step 2: Convert to fraction form
    48,707.70/67,193.55 = 31,705.74/x
  3. Step 3: Cross multiply
    48,707.70x = 67,193.55 × 31,705.74
  4. Step 4: Simplify right side
    48,707.70x = 2,130,421,225.98
  5. Step 5: Solve for x
    x = 2,130,421,225.98/48,707.70
  6. Step 6: Final answer
    x = 43,738.90

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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.