Home / 57,976.60-86,864.10-26,747.80

Finding the Fourth Proportional to 57,976.60, 86,864.10 and 26,747.80

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Solution

The fourth proportional to 57,976.60, 86,864.10 and 26,747.80 is: 40,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,976.60 : 86,864.10 = 26,747.80 : x
  2. Step 2: Convert to fraction form
    57,976.60/86,864.10 = 26,747.80/x
  3. Step 3: Cross multiply
    57,976.60x = 86,864.10 × 26,747.80
  4. Step 4: Simplify right side
    57,976.60x = 2,323,423,573.98
  5. Step 5: Solve for x
    x = 2,323,423,573.98/57,976.60
  6. Step 6: Final answer
    x = 40,075.20

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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.