Home / 85,030.82-127,564.68-25,864.95

Finding the Fourth Proportional to 85,030.82, 127,564.68 and 25,864.95

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Solution

The fourth proportional to 85,030.82, 127,564.68 and 25,864.95 is: 38,803.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,030.82 : 127,564.68 = 25,864.95 : x
  2. Step 2: Convert to fraction form
    85,030.82/127,564.68 = 25,864.95/x
  3. Step 3: Cross multiply
    85,030.82x = 127,564.68 × 25,864.95
  4. Step 4: Simplify right side
    85,030.82x = 3,299,454,248.94
  5. Step 5: Solve for x
    x = 3,299,454,248.94/85,030.82
  6. Step 6: Final answer
    x = 38,803.04

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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.