Home / 75,659.52-113,515.20-28,925.76

Finding the Fourth Proportional to 75,659.52, 113,515.20 and 28,925.76

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Solution

The fourth proportional to 75,659.52, 113,515.20 and 28,925.76 is: 43,398.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,659.52 : 113,515.20 = 28,925.76 : x
  2. Step 2: Convert to fraction form
    75,659.52/113,515.20 = 28,925.76/x
  3. Step 3: Cross multiply
    75,659.52x = 113,515.20 × 28,925.76
  4. Step 4: Simplify right side
    75,659.52x = 3,283,513,431.55
  5. Step 5: Solve for x
    x = 3,283,513,431.55/75,659.52
  6. Step 6: Final answer
    x = 43,398.55

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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.