Home / 75,430.39-113,160.17-25,518.60

Finding the Fourth Proportional to 75,430.39, 113,160.17 and 25,518.60

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Solution

The fourth proportional to 75,430.39, 113,160.17 and 25,518.60 is: 38,282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,430.39 : 113,160.17 = 25,518.60 : x
  2. Step 2: Convert to fraction form
    75,430.39/113,160.17 = 25,518.60/x
  3. Step 3: Cross multiply
    75,430.39x = 113,160.17 × 25,518.60
  4. Step 4: Simplify right side
    75,430.39x = 2,887,689,114.16
  5. Step 5: Solve for x
    x = 2,887,689,114.16/75,430.39
  6. Step 6: Final answer
    x = 38,282.83

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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.