Home / 67,132.80-92,655.36-38,854.08

Finding the Fourth Proportional to 67,132.80, 92,655.36 and 38,854.08

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Solution

The fourth proportional to 67,132.80, 92,655.36 and 38,854.08 is: 53,625.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,132.80 : 92,655.36 = 38,854.08 : x
  2. Step 2: Convert to fraction form
    67,132.80/92,655.36 = 38,854.08/x
  3. Step 3: Cross multiply
    67,132.80x = 92,655.36 × 38,854.08
  4. Step 4: Simplify right side
    67,132.80x = 3,600,038,769.87
  5. Step 5: Solve for x
    x = 3,600,038,769.87/67,132.80
  6. Step 6: Final answer
    x = 53,625.63

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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.