Home / 87,283.52-130,913.76-34,679.36

Finding the Fourth Proportional to 87,283.52, 130,913.76 and 34,679.36

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Solution

The fourth proportional to 87,283.52, 130,913.76 and 34,679.36 is: 52,014.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,283.52 : 130,913.76 = 34,679.36 : x
  2. Step 2: Convert to fraction form
    87,283.52/130,913.76 = 34,679.36/x
  3. Step 3: Cross multiply
    87,283.52x = 130,913.76 × 34,679.36
  4. Step 4: Simplify right side
    87,283.52x = 4,540,005,411.99
  5. Step 5: Solve for x
    x = 4,540,005,411.99/87,283.52
  6. Step 6: Final answer
    x = 52,014.46

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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.