Home / 72,315.20-108,537.60-62,465.60

Finding the Fourth Proportional to 72,315.20, 108,537.60 and 62,465.60

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Solution

The fourth proportional to 72,315.20, 108,537.60 and 62,465.60 is: 93,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,315.20 : 108,537.60 = 62,465.60 : x
  2. Step 2: Convert to fraction form
    72,315.20/108,537.60 = 62,465.60/x
  3. Step 3: Cross multiply
    72,315.20x = 108,537.60 × 62,465.60
  4. Step 4: Simplify right side
    72,315.20x = 6,779,866,306.56
  5. Step 5: Solve for x
    x = 6,779,866,306.56/72,315.20
  6. Step 6: Final answer
    x = 93,754.37

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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.