Home / 94,779.30-142,121.39-31,577.19

Finding the Fourth Proportional to 94,779.30, 142,121.39 and 31,577.19

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Solution

The fourth proportional to 94,779.30, 142,121.39 and 31,577.19 is: 47,349.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,779.30 : 142,121.39 = 31,577.19 : x
  2. Step 2: Convert to fraction form
    94,779.30/142,121.39 = 31,577.19/x
  3. Step 3: Cross multiply
    94,779.30x = 142,121.39 × 31,577.19
  4. Step 4: Simplify right side
    94,779.30x = 4,487,794,135.09
  5. Step 5: Solve for x
    x = 4,487,794,135.09/94,779.30
  6. Step 6: Final answer
    x = 47,349.94

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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.