Home / 79,451.30-109,646.24-45,470.45

Finding the Fourth Proportional to 79,451.30, 109,646.24 and 45,470.45

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Solution

The fourth proportional to 79,451.30, 109,646.24 and 45,470.45 is: 62,751.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,451.30 : 109,646.24 = 45,470.45 : x
  2. Step 2: Convert to fraction form
    79,451.30/109,646.24 = 45,470.45/x
  3. Step 3: Cross multiply
    79,451.30x = 109,646.24 × 45,470.45
  4. Step 4: Simplify right side
    79,451.30x = 4,985,663,873.61
  5. Step 5: Solve for x
    x = 4,985,663,873.61/79,451.30
  6. Step 6: Final answer
    x = 62,751.19

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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.