Home / 96,877.85-133,707.49-56,591.48

Finding the Fourth Proportional to 96,877.85, 133,707.49 and 56,591.48

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Solution

The fourth proportional to 96,877.85, 133,707.49 and 56,591.48 is: 78,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,877.85 : 133,707.49 = 56,591.48 : x
  2. Step 2: Convert to fraction form
    96,877.85/133,707.49 = 56,591.48/x
  3. Step 3: Cross multiply
    96,877.85x = 133,707.49 × 56,591.48
  4. Step 4: Simplify right side
    96,877.85x = 7,566,704,938.98
  5. Step 5: Solve for x
    x = 7,566,704,938.98/96,877.85
  6. Step 6: Final answer
    x = 78,105.63

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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.