Home / 84,897.72-127,302.82-38,110.52

Finding the Fourth Proportional to 84,897.72, 127,302.82 and 38,110.52

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Solution

The fourth proportional to 84,897.72, 127,302.82 and 38,110.52 is: 57,146.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,897.72 : 127,302.82 = 38,110.52 : x
  2. Step 2: Convert to fraction form
    84,897.72/127,302.82 = 38,110.52/x
  3. Step 3: Cross multiply
    84,897.72x = 127,302.82 × 38,110.52
  4. Step 4: Simplify right side
    84,897.72x = 4,851,576,667.67
  5. Step 5: Solve for x
    x = 4,851,576,667.67/84,897.72
  6. Step 6: Final answer
    x = 57,146.14

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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.