Home / 84,815.76-127,223.64-38,056.08

Finding the Fourth Proportional to 84,815.76, 127,223.64 and 38,056.08

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Solution

The fourth proportional to 84,815.76, 127,223.64 and 38,056.08 is: 57,084.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,815.76 : 127,223.64 = 38,056.08 : x
  2. Step 2: Convert to fraction form
    84,815.76/127,223.64 = 38,056.08/x
  3. Step 3: Cross multiply
    84,815.76x = 127,223.64 × 38,056.08
  4. Step 4: Simplify right side
    84,815.76x = 4,841,633,021.73
  5. Step 5: Solve for x
    x = 4,841,633,021.73/84,815.76
  6. Step 6: Final answer
    x = 57,084.12

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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.