Home / 91,127.85-136,677.89-34,994.39

Finding the Fourth Proportional to 91,127.85, 136,677.89 and 34,994.39

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Solution

The fourth proportional to 91,127.85, 136,677.89 and 34,994.39 is: 52,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,127.85 : 136,677.89 = 34,994.39 : x
  2. Step 2: Convert to fraction form
    91,127.85/136,677.89 = 34,994.39/x
  3. Step 3: Cross multiply
    91,127.85x = 136,677.89 × 34,994.39
  4. Step 4: Simplify right side
    91,127.85x = 4,782,959,801.36
  5. Step 5: Solve for x
    x = 4,782,959,801.36/91,127.85
  6. Step 6: Final answer
    x = 52,486.26

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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.