Home / 82,570.18-113,994.08-54,357.88

Finding the Fourth Proportional to 82,570.18, 113,994.08 and 54,357.88

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Solution

The fourth proportional to 82,570.18, 113,994.08 and 54,357.88 is: 75,044.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,570.18 : 113,994.08 = 54,357.88 : x
  2. Step 2: Convert to fraction form
    82,570.18/113,994.08 = 54,357.88/x
  3. Step 3: Cross multiply
    82,570.18x = 113,994.08 × 54,357.88
  4. Step 4: Simplify right side
    82,570.18x = 6,196,476,521.35
  5. Step 5: Solve for x
    x = 6,196,476,521.35/82,570.18
  6. Step 6: Final answer
    x = 75,044.97

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1.5x scale

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.