Home / 85,521.74-117,895.84-59,948.42

Finding the Fourth Proportional to 85,521.74, 117,895.84 and 59,948.42

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Solution

The fourth proportional to 85,521.74, 117,895.84 and 59,948.42 is: 82,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,521.74 : 117,895.84 = 59,948.42 : x
  2. Step 2: Convert to fraction form
    85,521.74/117,895.84 = 59,948.42/x
  3. Step 3: Cross multiply
    85,521.74x = 117,895.84 × 59,948.42
  4. Step 4: Simplify right side
    85,521.74x = 7,067,668,593.22
  5. Step 5: Solve for x
    x = 7,067,668,593.22/85,521.74
  6. Step 6: Final answer
    x = 82,641.78

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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.