Home / 79,426.78-109,516.36-59,248.64

Finding the Fourth Proportional to 79,426.78, 109,516.36 and 59,248.64

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Solution

The fourth proportional to 79,426.78, 109,516.36 and 59,248.64 is: 81,694.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,426.78 : 109,516.36 = 59,248.64 : x
  2. Step 2: Convert to fraction form
    79,426.78/109,516.36 = 59,248.64/x
  3. Step 3: Cross multiply
    79,426.78x = 109,516.36 × 59,248.64
  4. Step 4: Simplify right side
    79,426.78x = 6,488,695,008.48
  5. Step 5: Solve for x
    x = 6,488,695,008.48/79,426.78
  6. Step 6: Final answer
    x = 81,694.04

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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.