Home / 90,988.48-136,478.04-34,824.25

Finding the Fourth Proportional to 90,988.48, 136,478.04 and 34,824.25

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Solution

The fourth proportional to 90,988.48, 136,478.04 and 34,824.25 is: 52,234.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,988.48 : 136,478.04 = 34,824.25 : x
  2. Step 2: Convert to fraction form
    90,988.48/136,478.04 = 34,824.25/x
  3. Step 3: Cross multiply
    90,988.48x = 136,478.04 × 34,824.25
  4. Step 4: Simplify right side
    90,988.48x = 4,752,745,384.47
  5. Step 5: Solve for x
    x = 4,752,745,384.47/90,988.48
  6. Step 6: Final answer
    x = 52,234.58

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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.