Home / 67,002.19-92,479.73-38,724.28

Finding the Fourth Proportional to 67,002.19, 92,479.73 and 38,724.28

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Solution

The fourth proportional to 67,002.19, 92,479.73 and 38,724.28 is: 53,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,002.19 : 92,479.73 = 38,724.28 : x
  2. Step 2: Convert to fraction form
    67,002.19/92,479.73 = 38,724.28/x
  3. Step 3: Cross multiply
    67,002.19x = 92,479.73 × 38,724.28
  4. Step 4: Simplify right side
    67,002.19x = 3,581,210,534.02
  5. Step 5: Solve for x
    x = 3,581,210,534.02/67,002.19
  6. Step 6: Final answer
    x = 53,449.16

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Double scale
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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.