Home / 83,036.30-124,554.45-68,456.30

Finding the Fourth Proportional to 83,036.30, 124,554.45 and 68,456.30

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Solution

The fourth proportional to 83,036.30, 124,554.45 and 68,456.30 is: 102,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,036.30 : 124,554.45 = 68,456.30 : x
  2. Step 2: Convert to fraction form
    83,036.30/124,554.45 = 68,456.30/x
  3. Step 3: Cross multiply
    83,036.30x = 124,554.45 × 68,456.30
  4. Step 4: Simplify right side
    83,036.30x = 8,526,536,795.54
  5. Step 5: Solve for x
    x = 8,526,536,795.54/83,036.30
  6. Step 6: Final answer
    x = 102,684.45

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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.