Home / 71,778.48-98,950.46-47,538.83

Finding the Fourth Proportional to 71,778.48, 98,950.46 and 47,538.83

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Solution

The fourth proportional to 71,778.48, 98,950.46 and 47,538.83 is: 65,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,778.48 : 98,950.46 = 47,538.83 : x
  2. Step 2: Convert to fraction form
    71,778.48/98,950.46 = 47,538.83/x
  3. Step 3: Cross multiply
    71,778.48x = 98,950.46 × 47,538.83
  4. Step 4: Simplify right side
    71,778.48x = 4,703,988,363.92
  5. Step 5: Solve for x
    x = 4,703,988,363.92/71,778.48
  6. Step 6: Final answer
    x = 65,534.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.