Home / 55,177.12-76,143.72-30,026.62

Finding the Fourth Proportional to 55,177.12, 76,143.72 and 30,026.62

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Solution

The fourth proportional to 55,177.12, 76,143.72 and 30,026.62 is: 41,436.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,177.12 : 76,143.72 = 30,026.62 : x
  2. Step 2: Convert to fraction form
    55,177.12/76,143.72 = 30,026.62/x
  3. Step 3: Cross multiply
    55,177.12x = 76,143.72 × 30,026.62
  4. Step 4: Simplify right side
    55,177.12x = 2,286,338,545.83
  5. Step 5: Solve for x
    x = 2,286,338,545.83/55,177.12
  6. Step 6: Final answer
    x = 41,436.35

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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.