Home / 83,041.12-114,611.46-49,047.40

Finding the Fourth Proportional to 83,041.12, 114,611.46 and 49,047.40

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Solution

The fourth proportional to 83,041.12, 114,611.46 and 49,047.40 is: 67,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,041.12 : 114,611.46 = 49,047.40 : x
  2. Step 2: Convert to fraction form
    83,041.12/114,611.46 = 49,047.40/x
  3. Step 3: Cross multiply
    83,041.12x = 114,611.46 × 49,047.40
  4. Step 4: Simplify right side
    83,041.12x = 5,621,394,123.20
  5. Step 5: Solve for x
    x = 5,621,394,123.20/83,041.12
  6. Step 6: Final answer
    x = 67,694.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.