Home / 85,254.13-127,876.59-26,089.81

Finding the Fourth Proportional to 85,254.13, 127,876.59 and 26,089.81

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Solution

The fourth proportional to 85,254.13, 127,876.59 and 26,089.81 is: 39,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,254.13 : 127,876.59 = 26,089.81 : x
  2. Step 2: Convert to fraction form
    85,254.13/127,876.59 = 26,089.81/x
  3. Step 3: Cross multiply
    85,254.13x = 127,876.59 × 26,089.81
  4. Step 4: Simplify right side
    85,254.13x = 3,336,275,616.86
  5. Step 5: Solve for x
    x = 3,336,275,616.86/85,254.13
  6. Step 6: Final answer
    x = 39,133.30

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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.