Home / 72,467.57-100,006.28-54,286.08

Finding the Fourth Proportional to 72,467.57, 100,006.28 and 54,286.08

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Solution

The fourth proportional to 72,467.57, 100,006.28 and 54,286.08 is: 74,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,467.57 : 100,006.28 = 54,286.08 : x
  2. Step 2: Convert to fraction form
    72,467.57/100,006.28 = 54,286.08/x
  3. Step 3: Cross multiply
    72,467.57x = 100,006.28 × 54,286.08
  4. Step 4: Simplify right side
    72,467.57x = 5,428,949,052.30
  5. Step 5: Solve for x
    x = 5,428,949,052.30/72,467.57
  6. Step 6: Final answer
    x = 74,915.57

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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.