Home / 67,146.68-92,656.76-38,854.20

Finding the Fourth Proportional to 67,146.68, 92,656.76 and 38,854.20

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Solution

The fourth proportional to 67,146.68, 92,656.76 and 38,854.20 is: 53,615.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,146.68 : 92,656.76 = 38,854.20 : x
  2. Step 2: Convert to fraction form
    67,146.68/92,656.76 = 38,854.20/x
  3. Step 3: Cross multiply
    67,146.68x = 92,656.76 × 38,854.20
  4. Step 4: Simplify right side
    67,146.68x = 3,600,104,284.39
  5. Step 5: Solve for x
    x = 3,600,104,284.39/67,146.68
  6. Step 6: Final answer
    x = 53,615.52

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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.