Home / 64,165.76-88,573.06-57,439.21

Finding the Fourth Proportional to 64,165.76, 88,573.06 and 57,439.21

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Solution

The fourth proportional to 64,165.76, 88,573.06 and 57,439.21 is: 79,287.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,165.76 : 88,573.06 = 57,439.21 : x
  2. Step 2: Convert to fraction form
    64,165.76/88,573.06 = 57,439.21/x
  3. Step 3: Cross multiply
    64,165.76x = 88,573.06 × 57,439.21
  4. Step 4: Simplify right side
    64,165.76x = 5,087,566,593.68
  5. Step 5: Solve for x
    x = 5,087,566,593.68/64,165.76
  6. Step 6: Final answer
    x = 79,287.87

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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.