Home / 75,143.13-103,488.44-58,084.53

Finding the Fourth Proportional to 75,143.13, 103,488.44 and 58,084.53

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Solution

The fourth proportional to 75,143.13, 103,488.44 and 58,084.53 is: 79,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,143.13 : 103,488.44 = 58,084.53 : x
  2. Step 2: Convert to fraction form
    75,143.13/103,488.44 = 58,084.53/x
  3. Step 3: Cross multiply
    75,143.13x = 103,488.44 × 58,084.53
  4. Step 4: Simplify right side
    75,143.13x = 6,011,077,107.41
  5. Step 5: Solve for x
    x = 6,011,077,107.41/75,143.13
  6. Step 6: Final answer
    x = 79,995.03

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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.