Home / 63,123.20-87,114.24-36,274.40

Finding the Fourth Proportional to 63,123.20, 87,114.24 and 36,274.40

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Solution

The fourth proportional to 63,123.20, 87,114.24 and 36,274.40 is: 50,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,123.20 : 87,114.24 = 36,274.40 : x
  2. Step 2: Convert to fraction form
    63,123.20/87,114.24 = 36,274.40/x
  3. Step 3: Cross multiply
    63,123.20x = 87,114.24 × 36,274.40
  4. Step 4: Simplify right side
    63,123.20x = 3,160,016,787.46
  5. Step 5: Solve for x
    x = 3,160,016,787.46/63,123.20
  6. Step 6: Final answer
    x = 50,061.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.