Home / 64,135.12-88,449.18-40,264.04

Finding the Fourth Proportional to 64,135.12, 88,449.18 and 40,264.04

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Solution

The fourth proportional to 64,135.12, 88,449.18 and 40,264.04 is: 55,528.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,135.12 : 88,449.18 = 40,264.04 : x
  2. Step 2: Convert to fraction form
    64,135.12/88,449.18 = 40,264.04/x
  3. Step 3: Cross multiply
    64,135.12x = 88,449.18 × 40,264.04
  4. Step 4: Simplify right side
    64,135.12x = 3,561,321,321.49
  5. Step 5: Solve for x
    x = 3,561,321,321.49/64,135.12
  6. Step 6: Final answer
    x = 55,528.41

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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.