Home / 77,925.06-116,887.65-18,760.73

Finding the Fourth Proportional to 77,925.06, 116,887.65 and 18,760.73

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Solution

The fourth proportional to 77,925.06, 116,887.65 and 18,760.73 is: 28,141.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,925.06 : 116,887.65 = 18,760.73 : x
  2. Step 2: Convert to fraction form
    77,925.06/116,887.65 = 18,760.73/x
  3. Step 3: Cross multiply
    77,925.06x = 116,887.65 × 18,760.73
  4. Step 4: Simplify right side
    77,925.06x = 2,192,897,641.98
  5. Step 5: Solve for x
    x = 2,192,897,641.98/77,925.06
  6. Step 6: Final answer
    x = 28,141.11

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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.