Home / 75,084.92-103,613.76-43,258.40

Finding the Fourth Proportional to 75,084.92, 103,613.76 and 43,258.40

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Solution

The fourth proportional to 75,084.92, 103,613.76 and 43,258.40 is: 59,694.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,084.92 : 103,613.76 = 43,258.40 : x
  2. Step 2: Convert to fraction form
    75,084.92/103,613.76 = 43,258.40/x
  3. Step 3: Cross multiply
    75,084.92x = 103,613.76 × 43,258.40
  4. Step 4: Simplify right side
    75,084.92x = 4,482,165,475.58
  5. Step 5: Solve for x
    x = 4,482,165,475.58/75,084.92
  6. Step 6: Final answer
    x = 59,694.62

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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.