Home / 45,191.60-67,816.68-34,123.76

Finding the Fourth Proportional to 45,191.60, 67,816.68 and 34,123.76

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Solution

The fourth proportional to 45,191.60, 67,816.68 and 34,123.76 is: 51,207.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,191.60 : 67,816.68 = 34,123.76 : x
  2. Step 2: Convert to fraction form
    45,191.60/67,816.68 = 34,123.76/x
  3. Step 3: Cross multiply
    45,191.60x = 67,816.68 × 34,123.76
  4. Step 4: Simplify right side
    45,191.60x = 2,314,160,112.32
  5. Step 5: Solve for x
    x = 2,314,160,112.32/45,191.60
  6. Step 6: Final answer
    x = 51,207.75

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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.