Home / 105,306.77-157,987.85-37,845.62

Finding the Fourth Proportional to 105,306.77, 157,987.85 and 37,845.62

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Solution

The fourth proportional to 105,306.77, 157,987.85 and 37,845.62 is: 56,778.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,306.77 : 157,987.85 = 37,845.62 : x
  2. Step 2: Convert to fraction form
    105,306.77/157,987.85 = 37,845.62/x
  3. Step 3: Cross multiply
    105,306.77x = 157,987.85 × 37,845.62
  4. Step 4: Simplify right side
    105,306.77x = 5,979,148,135.72
  5. Step 5: Solve for x
    x = 5,979,148,135.72/105,306.77
  6. Step 6: Final answer
    x = 56,778.38

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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.