Home / 85,273.11-127,998.39-62,809.16

Finding the Fourth Proportional to 85,273.11, 127,998.39 and 62,809.16

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Solution

The fourth proportional to 85,273.11, 127,998.39 and 62,809.16 is: 94,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,273.11 : 127,998.39 = 62,809.16 : x
  2. Step 2: Convert to fraction form
    85,273.11/127,998.39 = 62,809.16/x
  3. Step 3: Cross multiply
    85,273.11x = 127,998.39 × 62,809.16
  4. Step 4: Simplify right side
    85,273.11x = 8,039,470,717.26
  5. Step 5: Solve for x
    x = 8,039,470,717.26/85,273.11
  6. Step 6: Final answer
    x = 94,279.08

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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.