Home / 66,284.38-99,407.13-19,531.18

Finding the Fourth Proportional to 66,284.38, 99,407.13 and 19,531.18

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Solution

The fourth proportional to 66,284.38, 99,407.13 and 19,531.18 is: 29,291.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,284.38 : 99,407.13 = 19,531.18 : x
  2. Step 2: Convert to fraction form
    66,284.38/99,407.13 = 19,531.18/x
  3. Step 3: Cross multiply
    66,284.38x = 99,407.13 × 19,531.18
  4. Step 4: Simplify right side
    66,284.38x = 1,941,538,549.31
  5. Step 5: Solve for x
    x = 1,941,538,549.31/66,284.38
  6. Step 6: Final answer
    x = 29,291.04

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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.