Home / 52,531.38-78,709.50-36,921.06

Finding the Fourth Proportional to 52,531.38, 78,709.50 and 36,921.06

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Solution

The fourth proportional to 52,531.38, 78,709.50 and 36,921.06 is: 55,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,531.38 : 78,709.50 = 36,921.06 : x
  2. Step 2: Convert to fraction form
    52,531.38/78,709.50 = 36,921.06/x
  3. Step 3: Cross multiply
    52,531.38x = 78,709.50 × 36,921.06
  4. Step 4: Simplify right side
    52,531.38x = 2,906,038,172.07
  5. Step 5: Solve for x
    x = 2,906,038,172.07/52,531.38
  6. Step 6: Final answer
    x = 55,320.04

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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.