Home / 67,370.91-92,970.77-38,691.18

Finding the Fourth Proportional to 67,370.91, 92,970.77 and 38,691.18

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Solution

The fourth proportional to 67,370.91, 92,970.77 and 38,691.18 is: 53,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,370.91 : 92,970.77 = 38,691.18 : x
  2. Step 2: Convert to fraction form
    67,370.91/92,970.77 = 38,691.18/x
  3. Step 3: Cross multiply
    67,370.91x = 92,970.77 × 38,691.18
  4. Step 4: Simplify right side
    67,370.91x = 3,597,148,603.35
  5. Step 5: Solve for x
    x = 3,597,148,603.35/67,370.91
  6. Step 6: Final answer
    x = 53,393.20

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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.