Home / 75,689.20-113,547.60-25,766.92

Finding the Fourth Proportional to 75,689.20, 113,547.60 and 25,766.92

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Solution

The fourth proportional to 75,689.20, 113,547.60 and 25,766.92 is: 38,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,689.20 : 113,547.60 = 25,766.92 : x
  2. Step 2: Convert to fraction form
    75,689.20/113,547.60 = 25,766.92/x
  3. Step 3: Cross multiply
    75,689.20x = 113,547.60 × 25,766.92
  4. Step 4: Simplify right side
    75,689.20x = 2,925,771,925.39
  5. Step 5: Solve for x
    x = 2,925,771,925.39/75,689.20
  6. Step 6: Final answer
    x = 38,655.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.