Home / 85,207.12-127,806.03-26,042.77

Finding the Fourth Proportional to 85,207.12, 127,806.03 and 26,042.77

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Solution

The fourth proportional to 85,207.12, 127,806.03 and 26,042.77 is: 39,062.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,207.12 : 127,806.03 = 26,042.77 : x
  2. Step 2: Convert to fraction form
    85,207.12/127,806.03 = 26,042.77/x
  3. Step 3: Cross multiply
    85,207.12x = 127,806.03 × 26,042.77
  4. Step 4: Simplify right side
    85,207.12x = 3,328,423,252.49
  5. Step 5: Solve for x
    x = 3,328,423,252.49/85,207.12
  6. Step 6: Final answer
    x = 39,062.74

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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.