Home / 87,328.89-130,994.16-47,864.46

Finding the Fourth Proportional to 87,328.89, 130,994.16 and 47,864.46

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Solution

The fourth proportional to 87,328.89, 130,994.16 and 47,864.46 is: 71,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,328.89 : 130,994.16 = 47,864.46 : x
  2. Step 2: Convert to fraction form
    87,328.89/130,994.16 = 47,864.46/x
  3. Step 3: Cross multiply
    87,328.89x = 130,994.16 × 47,864.46
  4. Step 4: Simplify right side
    87,328.89x = 6,269,964,731.55
  5. Step 5: Solve for x
    x = 6,269,964,731.55/87,328.89
  6. Step 6: Final answer
    x = 71,797.14

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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.