Home / 124,678.54-187,042.20-45,793.36

Finding the Fourth Proportional to 124,678.54, 187,042.20 and 45,793.36

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Solution

The fourth proportional to 124,678.54, 187,042.20 and 45,793.36 is: 68,699.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,678.54 : 187,042.20 = 45,793.36 : x
  2. Step 2: Convert to fraction form
    124,678.54/187,042.20 = 45,793.36/x
  3. Step 3: Cross multiply
    124,678.54x = 187,042.20 × 45,793.36
  4. Step 4: Simplify right side
    124,678.54x = 8,565,290,799.79
  5. Step 5: Solve for x
    x = 8,565,290,799.79/124,678.54
  6. Step 6: Final answer
    x = 68,699.00

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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.