Home / 67,519.60-93,158.08-38,837.76

Finding the Fourth Proportional to 67,519.60, 93,158.08 and 38,837.76

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Solution

The fourth proportional to 67,519.60, 93,158.08 and 38,837.76 is: 53,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,519.60 : 93,158.08 = 38,837.76 : x
  2. Step 2: Convert to fraction form
    67,519.60/93,158.08 = 38,837.76/x
  3. Step 3: Cross multiply
    67,519.60x = 93,158.08 × 38,837.76
  4. Step 4: Simplify right side
    67,519.60x = 3,618,051,153.10
  5. Step 5: Solve for x
    x = 3,618,051,153.10/67,519.60
  6. Step 6: Final answer
    x = 53,585.20

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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.