Home / 58,918.20-88,247.70-51,142.20

Finding the Fourth Proportional to 58,918.20, 88,247.70 and 51,142.20

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Solution

The fourth proportional to 58,918.20, 88,247.70 and 51,142.20 is: 76,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,918.20 : 88,247.70 = 51,142.20 : x
  2. Step 2: Convert to fraction form
    58,918.20/88,247.70 = 51,142.20/x
  3. Step 3: Cross multiply
    58,918.20x = 88,247.70 × 51,142.20
  4. Step 4: Simplify right side
    58,918.20x = 4,513,181,522.94
  5. Step 5: Solve for x
    x = 4,513,181,522.94/58,918.20
  6. Step 6: Final answer
    x = 76,600.80

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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.