Home / 64,254.20-88,727.10-40,422.20

Finding the Fourth Proportional to 64,254.20, 88,727.10 and 40,422.20

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Solution

The fourth proportional to 64,254.20, 88,727.10 and 40,422.20 is: 55,818.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,254.20 : 88,727.10 = 40,422.20 : x
  2. Step 2: Convert to fraction form
    64,254.20/88,727.10 = 40,422.20/x
  3. Step 3: Cross multiply
    64,254.20x = 88,727.10 × 40,422.20
  4. Step 4: Simplify right side
    64,254.20x = 3,586,544,581.62
  5. Step 5: Solve for x
    x = 3,586,544,581.62/64,254.20
  6. Step 6: Final answer
    x = 55,818.06

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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.