Home / 83,020.15-124,590.06-33,071.35

Finding the Fourth Proportional to 83,020.15, 124,590.06 and 33,071.35

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Solution

The fourth proportional to 83,020.15, 124,590.06 and 33,071.35 is: 49,630.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,020.15 : 124,590.06 = 33,071.35 : x
  2. Step 2: Convert to fraction form
    83,020.15/124,590.06 = 33,071.35/x
  3. Step 3: Cross multiply
    83,020.15x = 124,590.06 × 33,071.35
  4. Step 4: Simplify right side
    83,020.15x = 4,120,360,692.47
  5. Step 5: Solve for x
    x = 4,120,360,692.47/83,020.15
  6. Step 6: Final answer
    x = 49,630.85

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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.