Home / 66,098.97-99,127.40-21,715.43

Finding the Fourth Proportional to 66,098.97, 99,127.40 and 21,715.43

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Solution

The fourth proportional to 66,098.97, 99,127.40 and 21,715.43 is: 32,566.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,098.97 : 99,127.40 = 21,715.43 : x
  2. Step 2: Convert to fraction form
    66,098.97/99,127.40 = 21,715.43/x
  3. Step 3: Cross multiply
    66,098.97x = 99,127.40 × 21,715.43
  4. Step 4: Simplify right side
    66,098.97x = 2,152,593,511.57
  5. Step 5: Solve for x
    x = 2,152,593,511.57/66,098.97
  6. Step 6: Final answer
    x = 32,566.22

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1.5x scale

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.