Home / 69,923.13-96,500.89-42,697.71

Finding the Fourth Proportional to 69,923.13, 96,500.89 and 42,697.71

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Solution

The fourth proportional to 69,923.13, 96,500.89 and 42,697.71 is: 58,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,923.13 : 96,500.89 = 42,697.71 : x
  2. Step 2: Convert to fraction form
    69,923.13/96,500.89 = 42,697.71/x
  3. Step 3: Cross multiply
    69,923.13x = 96,500.89 × 42,697.71
  4. Step 4: Simplify right side
    69,923.13x = 4,120,367,431.21
  5. Step 5: Solve for x
    x = 4,120,367,431.21/69,923.13
  6. Step 6: Final answer
    x = 58,927.10

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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.