Home / 71,707.17-98,958.27-39,443.13

Finding the Fourth Proportional to 71,707.17, 98,958.27 and 39,443.13

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Solution

The fourth proportional to 71,707.17, 98,958.27 and 39,443.13 is: 54,432.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,707.17 : 98,958.27 = 39,443.13 : x
  2. Step 2: Convert to fraction form
    71,707.17/98,958.27 = 39,443.13/x
  3. Step 3: Cross multiply
    71,707.17x = 98,958.27 × 39,443.13
  4. Step 4: Simplify right side
    71,707.17x = 3,903,223,908.19
  5. Step 5: Solve for x
    x = 3,903,223,908.19/71,707.17
  6. Step 6: Final answer
    x = 54,432.83

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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.