Home / 94,779.80-142,122.14-31,577.69

Finding the Fourth Proportional to 94,779.80, 142,122.14 and 31,577.69

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Solution

The fourth proportional to 94,779.80, 142,122.14 and 31,577.69 is: 47,350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,779.80 : 142,122.14 = 31,577.69 : x
  2. Step 2: Convert to fraction form
    94,779.80/142,122.14 = 31,577.69/x
  3. Step 3: Cross multiply
    94,779.80x = 142,122.14 × 31,577.69
  4. Step 4: Simplify right side
    94,779.80x = 4,487,888,247.39
  5. Step 5: Solve for x
    x = 4,487,888,247.39/94,779.80
  6. Step 6: Final answer
    x = 47,350.69

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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.