Home / 64,138.12-88,453.32-40,267.04

Finding the Fourth Proportional to 64,138.12, 88,453.32 and 40,267.04

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Solution

The fourth proportional to 64,138.12, 88,453.32 and 40,267.04 is: 55,532.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,138.12 : 88,453.32 = 40,267.04 : x
  2. Step 2: Convert to fraction form
    64,138.12/88,453.32 = 40,267.04/x
  3. Step 3: Cross multiply
    64,138.12x = 88,453.32 × 40,267.04
  4. Step 4: Simplify right side
    64,138.12x = 3,561,753,374.57
  5. Step 5: Solve for x
    x = 3,561,753,374.57/64,138.12
  6. Step 6: Final answer
    x = 55,532.55

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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.