Home / 66,901.14-100,359-29,445.12

Finding the Fourth Proportional to 66,901.14, 100,359 and 29,445.12

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Solution

The fourth proportional to 66,901.14, 100,359 and 29,445.12 is: 44,170.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,901.14 : 100,359 = 29,445.12 : x
  2. Step 2: Convert to fraction form
    66,901.14/100,359 = 29,445.12/x
  3. Step 3: Cross multiply
    66,901.14x = 100,359 × 29,445.12
  4. Step 4: Simplify right side
    66,901.14x = 2,955,082,798.08
  5. Step 5: Solve for x
    x = 2,955,082,798.08/66,901.14
  6. Step 6: Final answer
    x = 44,170.89

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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.