Home / 71,265.26-98,344.58-39,432.26

Finding the Fourth Proportional to 71,265.26, 98,344.58 and 39,432.26

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Solution

The fourth proportional to 71,265.26, 98,344.58 and 39,432.26 is: 54,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,265.26 : 98,344.58 = 39,432.26 : x
  2. Step 2: Convert to fraction form
    71,265.26/98,344.58 = 39,432.26/x
  3. Step 3: Cross multiply
    71,265.26x = 98,344.58 × 39,432.26
  4. Step 4: Simplify right side
    71,265.26x = 3,877,949,048.15
  5. Step 5: Solve for x
    x = 3,877,949,048.15/71,265.26
  6. Step 6: Final answer
    x = 54,415.70

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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.