Home / 76,259.52-114,389.36-31,862.08

Finding the Fourth Proportional to 76,259.52, 114,389.36 and 31,862.08

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Solution

The fourth proportional to 76,259.52, 114,389.36 and 31,862.08 is: 47,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,259.52 : 114,389.36 = 31,862.08 : x
  2. Step 2: Convert to fraction form
    76,259.52/114,389.36 = 31,862.08/x
  3. Step 3: Cross multiply
    76,259.52x = 114,389.36 × 31,862.08
  4. Step 4: Simplify right side
    76,259.52x = 3,644,682,939.47
  5. Step 5: Solve for x
    x = 3,644,682,939.47/76,259.52
  6. Step 6: Final answer
    x = 47,793.15

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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.