Home / 84,875.96-127,327.71-28,719.52

Finding the Fourth Proportional to 84,875.96, 127,327.71 and 28,719.52

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Solution

The fourth proportional to 84,875.96, 127,327.71 and 28,719.52 is: 43,083.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,875.96 : 127,327.71 = 28,719.52 : x
  2. Step 2: Convert to fraction form
    84,875.96/127,327.71 = 28,719.52/x
  3. Step 3: Cross multiply
    84,875.96x = 127,327.71 × 28,719.52
  4. Step 4: Simplify right side
    84,875.96x = 3,656,790,713.90
  5. Step 5: Solve for x
    x = 3,656,790,713.90/84,875.96
  6. Step 6: Final answer
    x = 43,083.94

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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.