Home / 58,918.20-88,377.30-40,255.80

Finding the Fourth Proportional to 58,918.20, 88,377.30 and 40,255.80

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Solution

The fourth proportional to 58,918.20, 88,377.30 and 40,255.80 is: 60,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,918.20 : 88,377.30 = 40,255.80 : x
  2. Step 2: Convert to fraction form
    58,918.20/88,377.30 = 40,255.80/x
  3. Step 3: Cross multiply
    58,918.20x = 88,377.30 × 40,255.80
  4. Step 4: Simplify right side
    58,918.20x = 3,557,698,913.34
  5. Step 5: Solve for x
    x = 3,557,698,913.34/58,918.20
  6. Step 6: Final answer
    x = 60,383.70

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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.