Home / 56,239.16-77,579.34-36,073.61

Finding the Fourth Proportional to 56,239.16, 77,579.34 and 36,073.61

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Solution

The fourth proportional to 56,239.16, 77,579.34 and 36,073.61 is: 49,761.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,239.16 : 77,579.34 = 36,073.61 : x
  2. Step 2: Convert to fraction form
    56,239.16/77,579.34 = 36,073.61/x
  3. Step 3: Cross multiply
    56,239.16x = 77,579.34 × 36,073.61
  4. Step 4: Simplify right side
    56,239.16x = 2,798,566,855.22
  5. Step 5: Solve for x
    x = 2,798,566,855.22/56,239.16
  6. Step 6: Final answer
    x = 49,761.89

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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.