Home / 83,274.20-124,868.10-30,656.60

Finding the Fourth Proportional to 83,274.20, 124,868.10 and 30,656.60

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Solution

The fourth proportional to 83,274.20, 124,868.10 and 30,656.60 is: 45,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,274.20 : 124,868.10 = 30,656.60 : x
  2. Step 2: Convert to fraction form
    83,274.20/124,868.10 = 30,656.60/x
  3. Step 3: Cross multiply
    83,274.20x = 124,868.10 × 30,656.60
  4. Step 4: Simplify right side
    83,274.20x = 3,828,031,394.46
  5. Step 5: Solve for x
    x = 3,828,031,394.46/83,274.20
  6. Step 6: Final answer
    x = 45,969.00

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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.