Home / 90,806.42-136,248.80-34,663.39

Finding the Fourth Proportional to 90,806.42, 136,248.80 and 34,663.39

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Solution

The fourth proportional to 90,806.42, 136,248.80 and 34,663.39 is: 52,010.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,806.42 : 136,248.80 = 34,663.39 : x
  2. Step 2: Convert to fraction form
    90,806.42/136,248.80 = 34,663.39/x
  3. Step 3: Cross multiply
    90,806.42x = 136,248.80 × 34,663.39
  4. Step 4: Simplify right side
    90,806.42x = 4,722,845,291.43
  5. Step 5: Solve for x
    x = 4,722,845,291.43/90,806.42
  6. Step 6: Final answer
    x = 52,010.04

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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.