Home / 79,306.65-109,455.17-45,322.29

Finding the Fourth Proportional to 79,306.65, 109,455.17 and 45,322.29

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Solution

The fourth proportional to 79,306.65, 109,455.17 and 45,322.29 is: 62,551.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,306.65 : 109,455.17 = 45,322.29 : x
  2. Step 2: Convert to fraction form
    79,306.65/109,455.17 = 45,322.29/x
  3. Step 3: Cross multiply
    79,306.65x = 109,455.17 × 45,322.29
  4. Step 4: Simplify right side
    79,306.65x = 4,960,758,730.13
  5. Step 5: Solve for x
    x = 4,960,758,730.13/79,306.65
  6. Step 6: Final answer
    x = 62,551.61

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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.