Home / 83,434.94-125,507.56-75,631.55

Finding the Fourth Proportional to 83,434.94, 125,507.56 and 75,631.55

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Solution

The fourth proportional to 83,434.94, 125,507.56 and 75,631.55 is: 113,769.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,434.94 : 125,507.56 = 75,631.55 : x
  2. Step 2: Convert to fraction form
    83,434.94/125,507.56 = 75,631.55/x
  3. Step 3: Cross multiply
    83,434.94x = 125,507.56 × 75,631.55
  4. Step 4: Simplify right side
    83,434.94x = 9,492,331,424.21
  5. Step 5: Solve for x
    x = 9,492,331,424.21/83,434.94
  6. Step 6: Final answer
    x = 113,769.27

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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.