Home / 75,141.16-103,687.62-44,920.48

Finding the Fourth Proportional to 75,141.16, 103,687.62 and 44,920.48

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Solution

The fourth proportional to 75,141.16, 103,687.62 and 44,920.48 is: 61,985.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,141.16 : 103,687.62 = 44,920.48 : x
  2. Step 2: Convert to fraction form
    75,141.16/103,687.62 = 44,920.48/x
  3. Step 3: Cross multiply
    75,141.16x = 103,687.62 × 44,920.48
  4. Step 4: Simplify right side
    75,141.16x = 4,657,697,660.46
  5. Step 5: Solve for x
    x = 4,657,697,660.46/75,141.16
  6. Step 6: Final answer
    x = 61,985.97

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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.