Home / 79,210.71-109,306.59-45,217.84

Finding the Fourth Proportional to 79,210.71, 109,306.59 and 45,217.84

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Solution

The fourth proportional to 79,210.71, 109,306.59 and 45,217.84 is: 62,398.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,210.71 : 109,306.59 = 45,217.84 : x
  2. Step 2: Convert to fraction form
    79,210.71/109,306.59 = 45,217.84/x
  3. Step 3: Cross multiply
    79,210.71x = 109,306.59 × 45,217.84
  4. Step 4: Simplify right side
    79,210.71x = 4,942,607,897.57
  5. Step 5: Solve for x
    x = 4,942,607,897.57/79,210.71
  6. Step 6: Final answer
    x = 62,398.23

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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.