Home / 54,031.04-81,070.86-34,304.30

Finding the Fourth Proportional to 54,031.04, 81,070.86 and 34,304.30

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Solution

The fourth proportional to 54,031.04, 81,070.86 and 34,304.30 is: 51,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,031.04 : 81,070.86 = 34,304.30 : x
  2. Step 2: Convert to fraction form
    54,031.04/81,070.86 = 34,304.30/x
  3. Step 3: Cross multiply
    54,031.04x = 81,070.86 × 34,304.30
  4. Step 4: Simplify right side
    54,031.04x = 2,781,079,102.70
  5. Step 5: Solve for x
    x = 2,781,079,102.70/54,031.04
  6. Step 6: Final answer
    x = 51,471.88

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1.5x scale

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.