Home / 75,125.27-103,743.23-48,314.48

Finding the Fourth Proportional to 75,125.27, 103,743.23 and 48,314.48

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Solution

The fourth proportional to 75,125.27, 103,743.23 and 48,314.48 is: 66,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,125.27 : 103,743.23 = 48,314.48 : x
  2. Step 2: Convert to fraction form
    75,125.27/103,743.23 = 48,314.48/x
  3. Step 3: Cross multiply
    75,125.27x = 103,743.23 × 48,314.48
  4. Step 4: Simplify right side
    75,125.27x = 5,012,299,722.45
  5. Step 5: Solve for x
    x = 5,012,299,722.45/75,125.27
  6. Step 6: Final answer
    x = 66,719.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.