Home / 54,905.45-75,769.63-29,754.95

Finding the Fourth Proportional to 54,905.45, 75,769.63 and 29,754.95

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Solution

The fourth proportional to 54,905.45, 75,769.63 and 29,754.95 is: 41,061.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,905.45 : 75,769.63 = 29,754.95 : x
  2. Step 2: Convert to fraction form
    54,905.45/75,769.63 = 29,754.95/x
  3. Step 3: Cross multiply
    54,905.45x = 75,769.63 × 29,754.95
  4. Step 4: Simplify right side
    54,905.45x = 2,254,521,098.93
  5. Step 5: Solve for x
    x = 2,254,521,098.93/54,905.45
  6. Step 6: Final answer
    x = 41,061.89

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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.