Home / 84,822.76-127,214.70-38,089

Finding the Fourth Proportional to 84,822.76, 127,214.70 and 38,089

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Solution

The fourth proportional to 84,822.76, 127,214.70 and 38,089 is: 57,124.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,822.76 : 127,214.70 = 38,089 : x
  2. Step 2: Convert to fraction form
    84,822.76/127,214.70 = 38,089/x
  3. Step 3: Cross multiply
    84,822.76x = 127,214.70 × 38,089
  4. Step 4: Simplify right side
    84,822.76x = 4,845,480,708.30
  5. Step 5: Solve for x
    x = 4,845,480,708.30/84,822.76
  6. Step 6: Final answer
    x = 57,124.77

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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.