Home / 58,917.09-88,342.15-40,219.75

Finding the Fourth Proportional to 58,917.09, 88,342.15 and 40,219.75

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Solution

The fourth proportional to 58,917.09, 88,342.15 and 40,219.75 is: 60,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,917.09 : 88,342.15 = 40,219.75 : x
  2. Step 2: Convert to fraction form
    58,917.09/88,342.15 = 40,219.75/x
  3. Step 3: Cross multiply
    58,917.09x = 88,342.15 × 40,219.75
  4. Step 4: Simplify right side
    58,917.09x = 3,553,099,187.46
  5. Step 5: Solve for x
    x = 3,553,099,187.46/58,917.09
  6. Step 6: Final answer
    x = 60,306.77

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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.