Home / 57,943.20-79,966.80-34,057.92

Finding the Fourth Proportional to 57,943.20, 79,966.80 and 34,057.92

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Solution

The fourth proportional to 57,943.20, 79,966.80 and 34,057.92 is: 47,002.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,943.20 : 79,966.80 = 34,057.92 : x
  2. Step 2: Convert to fraction form
    57,943.20/79,966.80 = 34,057.92/x
  3. Step 3: Cross multiply
    57,943.20x = 79,966.80 × 34,057.92
  4. Step 4: Simplify right side
    57,943.20x = 2,723,502,877.06
  5. Step 5: Solve for x
    x = 2,723,502,877.06/57,943.20
  6. Step 6: Final answer
    x = 47,002.98

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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.