Home / 70,964.38-97,926.37-40,728.42

Finding the Fourth Proportional to 70,964.38, 97,926.37 and 40,728.42

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Solution

The fourth proportional to 70,964.38, 97,926.37 and 40,728.42 is: 56,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,964.38 : 97,926.37 = 40,728.42 : x
  2. Step 2: Convert to fraction form
    70,964.38/97,926.37 = 40,728.42/x
  3. Step 3: Cross multiply
    70,964.38x = 97,926.37 × 40,728.42
  4. Step 4: Simplify right side
    70,964.38x = 3,988,386,224.61
  5. Step 5: Solve for x
    x = 3,988,386,224.61/70,964.38
  6. Step 6: Final answer
    x = 56,202.65

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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.