Home / 67,098.71-92,598.34-38,418.50

Finding the Fourth Proportional to 67,098.71, 92,598.34 and 38,418.50

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Solution

The fourth proportional to 67,098.71, 92,598.34 and 38,418.50 is: 53,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,098.71 : 92,598.34 = 38,418.50 : x
  2. Step 2: Convert to fraction form
    67,098.71/92,598.34 = 38,418.50/x
  3. Step 3: Cross multiply
    67,098.71x = 92,598.34 × 38,418.50
  4. Step 4: Simplify right side
    67,098.71x = 3,557,488,862.30
  5. Step 5: Solve for x
    x = 3,557,488,862.30/67,098.71
  6. Step 6: Final answer
    x = 53,018.74

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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.