Home / 85,301.29-127,897.19-35,415.82

Finding the Fourth Proportional to 85,301.29, 127,897.19 and 35,415.82

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Solution

The fourth proportional to 85,301.29, 127,897.19 and 35,415.82 is: 53,101.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,301.29 : 127,897.19 = 35,415.82 : x
  2. Step 2: Convert to fraction form
    85,301.29/127,897.19 = 35,415.82/x
  3. Step 3: Cross multiply
    85,301.29x = 127,897.19 × 35,415.82
  4. Step 4: Simplify right side
    85,301.29x = 4,529,584,174.36
  5. Step 5: Solve for x
    x = 4,529,584,174.36/85,301.29
  6. Step 6: Final answer
    x = 53,101.00

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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.