Home / 87,283.64-130,803.37-47,216.11

Finding the Fourth Proportional to 87,283.64, 130,803.37 and 47,216.11

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Solution

The fourth proportional to 87,283.64, 130,803.37 and 47,216.11 is: 70,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,283.64 : 130,803.37 = 47,216.11 : x
  2. Step 2: Convert to fraction form
    87,283.64/130,803.37 = 47,216.11/x
  3. Step 3: Cross multiply
    87,283.64x = 130,803.37 × 47,216.11
  4. Step 4: Simplify right side
    87,283.64x = 6,176,026,306.29
  5. Step 5: Solve for x
    x = 6,176,026,306.29/87,283.64
  6. Step 6: Final answer
    x = 70,758.12

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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.