Home / 79,500.62-109,710.50-45,508.92

Finding the Fourth Proportional to 79,500.62, 109,710.50 and 45,508.92

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Solution

The fourth proportional to 79,500.62, 109,710.50 and 45,508.92 is: 62,802.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,500.62 : 109,710.50 = 45,508.92 : x
  2. Step 2: Convert to fraction form
    79,500.62/109,710.50 = 45,508.92/x
  3. Step 3: Cross multiply
    79,500.62x = 109,710.50 × 45,508.92
  4. Step 4: Simplify right side
    79,500.62x = 4,992,806,601.81
  5. Step 5: Solve for x
    x = 4,992,806,601.81/79,500.62
  6. Step 6: Final answer
    x = 62,802.11

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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.