Home / 78,521.20-108,362.10-44,993.68

Finding the Fourth Proportional to 78,521.20, 108,362.10 and 44,993.68

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Solution

The fourth proportional to 78,521.20, 108,362.10 and 44,993.68 is: 62,092.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,521.20 : 108,362.10 = 44,993.68 : x
  2. Step 2: Convert to fraction form
    78,521.20/108,362.10 = 44,993.68/x
  3. Step 3: Cross multiply
    78,521.20x = 108,362.10 × 44,993.68
  4. Step 4: Simplify right side
    78,521.20x = 4,875,609,549.35
  5. Step 5: Solve for x
    x = 4,875,609,549.35/78,521.20
  6. Step 6: Final answer
    x = 62,092.91

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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.