Home / 94,779.38-142,159.30-31,592.66

Finding the Fourth Proportional to 94,779.38, 142,159.30 and 31,592.66

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Solution

The fourth proportional to 94,779.38, 142,159.30 and 31,592.66 is: 47,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,779.38 : 142,159.30 = 31,592.66 : x
  2. Step 2: Convert to fraction form
    94,779.38/142,159.30 = 31,592.66/x
  3. Step 3: Cross multiply
    94,779.38x = 142,159.30 × 31,592.66
  4. Step 4: Simplify right side
    94,779.38x = 4,491,190,430.74
  5. Step 5: Solve for x
    x = 4,491,190,430.74/94,779.38
  6. Step 6: Final answer
    x = 47,385.73

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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.