Home / 84,005.83-125,994.16-28,601.83

Finding the Fourth Proportional to 84,005.83, 125,994.16 and 28,601.83

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Solution

The fourth proportional to 84,005.83, 125,994.16 and 28,601.83 is: 42,897.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,005.83 : 125,994.16 = 28,601.83 : x
  2. Step 2: Convert to fraction form
    84,005.83/125,994.16 = 28,601.83/x
  3. Step 3: Cross multiply
    84,005.83x = 125,994.16 × 28,601.83
  4. Step 4: Simplify right side
    84,005.83x = 3,603,663,545.31
  5. Step 5: Solve for x
    x = 3,603,663,545.31/84,005.83
  6. Step 6: Final answer
    x = 42,897.78

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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.