Home / 53,230.24-79,679.28-39,206.10

Finding the Fourth Proportional to 53,230.24, 79,679.28 and 39,206.10

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Solution

The fourth proportional to 53,230.24, 79,679.28 and 39,206.10 is: 58,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,230.24 : 79,679.28 = 39,206.10 : x
  2. Step 2: Convert to fraction form
    53,230.24/79,679.28 = 39,206.10/x
  3. Step 3: Cross multiply
    53,230.24x = 79,679.28 × 39,206.10
  4. Step 4: Simplify right side
    53,230.24x = 3,123,913,819.61
  5. Step 5: Solve for x
    x = 3,123,913,819.61/53,230.24
  6. Step 6: Final answer
    x = 58,686.83

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1.5x scale

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.