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Finding the Fourth Proportional to 95,881.59, 143,771.73 and 42,550.40

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Solution

The fourth proportional to 95,881.59, 143,771.73 and 42,550.40 is: 63,803.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,881.59 : 143,771.73 = 42,550.40 : x
  2. Step 2: Convert to fraction form
    95,881.59/143,771.73 = 42,550.40/x
  3. Step 3: Cross multiply
    95,881.59x = 143,771.73 × 42,550.40
  4. Step 4: Simplify right side
    95,881.59x = 6,117,543,901.33
  5. Step 5: Solve for x
    x = 6,117,543,901.33/95,881.59
  6. Step 6: Final answer
    x = 63,803.11

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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.