Home / 77,138.82-115,683.42-24,535.98

Finding the Fourth Proportional to 77,138.82, 115,683.42 and 24,535.98

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Solution

The fourth proportional to 77,138.82, 115,683.42 and 24,535.98 is: 36,796.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,138.82 : 115,683.42 = 24,535.98 : x
  2. Step 2: Convert to fraction form
    77,138.82/115,683.42 = 24,535.98/x
  3. Step 3: Cross multiply
    77,138.82x = 115,683.42 × 24,535.98
  4. Step 4: Simplify right side
    77,138.82x = 2,838,406,079.45
  5. Step 5: Solve for x
    x = 2,838,406,079.45/77,138.82
  6. Step 6: Final answer
    x = 36,796.08

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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.