Home / 69,390.19-95,760.34-42,157.01

Finding the Fourth Proportional to 69,390.19, 95,760.34 and 42,157.01

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Solution

The fourth proportional to 69,390.19, 95,760.34 and 42,157.01 is: 58,177.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,390.19 : 95,760.34 = 42,157.01 : x
  2. Step 2: Convert to fraction form
    69,390.19/95,760.34 = 42,157.01/x
  3. Step 3: Cross multiply
    69,390.19x = 95,760.34 × 42,157.01
  4. Step 4: Simplify right side
    69,390.19x = 4,036,969,744.99
  5. Step 5: Solve for x
    x = 4,036,969,744.99/69,390.19
  6. Step 6: Final answer
    x = 58,177.82

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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.