Home / 74,621.80-111,932.70-25,373.80

Finding the Fourth Proportional to 74,621.80, 111,932.70 and 25,373.80

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Solution

The fourth proportional to 74,621.80, 111,932.70 and 25,373.80 is: 38,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,621.80 : 111,932.70 = 25,373.80 : x
  2. Step 2: Convert to fraction form
    74,621.80/111,932.70 = 25,373.80/x
  3. Step 3: Cross multiply
    74,621.80x = 111,932.70 × 25,373.80
  4. Step 4: Simplify right side
    74,621.80x = 2,840,157,943.26
  5. Step 5: Solve for x
    x = 2,840,157,943.26/74,621.80
  6. Step 6: Final answer
    x = 38,060.70

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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.