Home / 84,484.04-126,634.92-54,923.08

Finding the Fourth Proportional to 84,484.04, 126,634.92 and 54,923.08

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Solution

The fourth proportional to 84,484.04, 126,634.92 and 54,923.08 is: 82,325.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,484.04 : 126,634.92 = 54,923.08 : x
  2. Step 2: Convert to fraction form
    84,484.04/126,634.92 = 54,923.08/x
  3. Step 3: Cross multiply
    84,484.04x = 126,634.92 × 54,923.08
  4. Step 4: Simplify right side
    84,484.04x = 6,955,179,841.95
  5. Step 5: Solve for x
    x = 6,955,179,841.95/84,484.04
  6. Step 6: Final answer
    x = 82,325.37

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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.