Home / 70,964.27-106,325.91-42,825.20

Finding the Fourth Proportional to 70,964.27, 106,325.91 and 42,825.20

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Solution

The fourth proportional to 70,964.27, 106,325.91 and 42,825.20 is: 64,165.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,964.27 : 106,325.91 = 42,825.20 : x
  2. Step 2: Convert to fraction form
    70,964.27/106,325.91 = 42,825.20/x
  3. Step 3: Cross multiply
    70,964.27x = 106,325.91 × 42,825.20
  4. Step 4: Simplify right side
    70,964.27x = 4,553,428,360.93
  5. Step 5: Solve for x
    x = 4,553,428,360.93/70,964.27
  6. Step 6: Final answer
    x = 64,165.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.