Home / 70,543.12-97,351.56-40,332.88

Finding the Fourth Proportional to 70,543.12, 97,351.56 and 40,332.88

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Solution

The fourth proportional to 70,543.12, 97,351.56 and 40,332.88 is: 55,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,543.12 : 97,351.56 = 40,332.88 : x
  2. Step 2: Convert to fraction form
    70,543.12/97,351.56 = 40,332.88/x
  3. Step 3: Cross multiply
    70,543.12x = 97,351.56 × 40,332.88
  4. Step 4: Simplify right side
    70,543.12x = 3,926,468,787.29
  5. Step 5: Solve for x
    x = 3,926,468,787.29/70,543.12
  6. Step 6: Final answer
    x = 55,660.55

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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.