Home / 124,780.44-187,064.58-54,607.32

Finding the Fourth Proportional to 124,780.44, 187,064.58 and 54,607.32

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Solution

The fourth proportional to 124,780.44, 187,064.58 and 54,607.32 is: 81,864.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,780.44 : 187,064.58 = 54,607.32 : x
  2. Step 2: Convert to fraction form
    124,780.44/187,064.58 = 54,607.32/x
  3. Step 3: Cross multiply
    124,780.44x = 187,064.58 × 54,607.32
  4. Step 4: Simplify right side
    124,780.44x = 10,215,095,380.73
  5. Step 5: Solve for x
    x = 10,215,095,380.73/124,780.44
  6. Step 6: Final answer
    x = 81,864.56

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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.