Home / 77,238.96-106,565.00-43,242.45

Finding the Fourth Proportional to 77,238.96, 106,565.00 and 43,242.45

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Solution

The fourth proportional to 77,238.96, 106,565.00 and 43,242.45 is: 59,660.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,238.96 : 106,565.00 = 43,242.45 : x
  2. Step 2: Convert to fraction form
    77,238.96/106,565.00 = 43,242.45/x
  3. Step 3: Cross multiply
    77,238.96x = 106,565.00 × 43,242.45
  4. Step 4: Simplify right side
    77,238.96x = 4,608,131,468.04
  5. Step 5: Solve for x
    x = 4,608,131,468.04/77,238.96
  6. Step 6: Final answer
    x = 59,660.71

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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.