Home / 83,454.32-124,437.04-74,181.44

Finding the Fourth Proportional to 83,454.32, 124,437.04 and 74,181.44

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Solution

The fourth proportional to 83,454.32, 124,437.04 and 74,181.44 is: 110,610.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,454.32 : 124,437.04 = 74,181.44 : x
  2. Step 2: Convert to fraction form
    83,454.32/124,437.04 = 74,181.44/x
  3. Step 3: Cross multiply
    83,454.32x = 124,437.04 × 74,181.44
  4. Step 4: Simplify right side
    83,454.32x = 9,230,918,816.54
  5. Step 5: Solve for x
    x = 9,230,918,816.54/83,454.32
  6. Step 6: Final answer
    x = 110,610.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.