Home / 75,019.33-103,477.91-48,119.23

Finding the Fourth Proportional to 75,019.33, 103,477.91 and 48,119.23

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Solution

The fourth proportional to 75,019.33, 103,477.91 and 48,119.23 is: 66,373.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,019.33 : 103,477.91 = 48,119.23 : x
  2. Step 2: Convert to fraction form
    75,019.33/103,477.91 = 48,119.23/x
  3. Step 3: Cross multiply
    75,019.33x = 103,477.91 × 48,119.23
  4. Step 4: Simplify right side
    75,019.33x = 4,979,277,489.61
  5. Step 5: Solve for x
    x = 4,979,277,489.61/75,019.33
  6. Step 6: Final answer
    x = 66,373.26

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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.