Home / 56,290.48-84,532.30-49,979.61

Finding the Fourth Proportional to 56,290.48, 84,532.30 and 49,979.61

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Solution

The fourth proportional to 56,290.48, 84,532.30 and 49,979.61 is: 75,055.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,290.48 : 84,532.30 = 49,979.61 : x
  2. Step 2: Convert to fraction form
    56,290.48/84,532.30 = 49,979.61/x
  3. Step 3: Cross multiply
    56,290.48x = 84,532.30 × 49,979.61
  4. Step 4: Simplify right side
    56,290.48x = 4,224,891,261.45
  5. Step 5: Solve for x
    x = 4,224,891,261.45/56,290.48
  6. Step 6: Final answer
    x = 75,055.17

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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.