Home / 66,397.10-99,520.32-41,448.29

Finding the Fourth Proportional to 66,397.10, 99,520.32 and 41,448.29

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Solution

The fourth proportional to 66,397.10, 99,520.32 and 41,448.29 is: 62,125.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,397.10 : 99,520.32 = 41,448.29 : x
  2. Step 2: Convert to fraction form
    66,397.10/99,520.32 = 41,448.29/x
  3. Step 3: Cross multiply
    66,397.10x = 99,520.32 × 41,448.29
  4. Step 4: Simplify right side
    66,397.10x = 4,124,947,084.25
  5. Step 5: Solve for x
    x = 4,124,947,084.25/66,397.10
  6. Step 6: Final answer
    x = 62,125.41

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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.