Home / 67,280.76-92,843.28-38,981.52

Finding the Fourth Proportional to 67,280.76, 92,843.28 and 38,981.52

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Solution

The fourth proportional to 67,280.76, 92,843.28 and 38,981.52 is: 53,792.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,280.76 : 92,843.28 = 38,981.52 : x
  2. Step 2: Convert to fraction form
    67,280.76/92,843.28 = 38,981.52/x
  3. Step 3: Cross multiply
    67,280.76x = 92,843.28 × 38,981.52
  4. Step 4: Simplify right side
    67,280.76x = 3,619,172,176.19
  5. Step 5: Solve for x
    x = 3,619,172,176.19/67,280.76
  6. Step 6: Final answer
    x = 53,792.08

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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.