Home / 74,319.60-111,151.35-62,509.80

Finding the Fourth Proportional to 74,319.60, 111,151.35 and 62,509.80

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Solution

The fourth proportional to 74,319.60, 111,151.35 and 62,509.80 is: 93,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,319.60 : 111,151.35 = 62,509.80 : x
  2. Step 2: Convert to fraction form
    74,319.60/111,151.35 = 62,509.80/x
  3. Step 3: Cross multiply
    74,319.60x = 111,151.35 × 62,509.80
  4. Step 4: Simplify right side
    74,319.60x = 6,948,048,658.23
  5. Step 5: Solve for x
    x = 6,948,048,658.23/74,319.60
  6. Step 6: Final answer
    x = 93,488.78

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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.