Home / 75,223.87-103,820.38-48,011.71

Finding the Fourth Proportional to 75,223.87, 103,820.38 and 48,011.71

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Solution

The fourth proportional to 75,223.87, 103,820.38 and 48,011.71 is: 66,263.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,223.87 : 103,820.38 = 48,011.71 : x
  2. Step 2: Convert to fraction form
    75,223.87/103,820.38 = 48,011.71/x
  3. Step 3: Cross multiply
    75,223.87x = 103,820.38 × 48,011.71
  4. Step 4: Simplify right side
    75,223.87x = 4,984,593,976.65
  5. Step 5: Solve for x
    x = 4,984,593,976.65/75,223.87
  6. Step 6: Final answer
    x = 66,263.46

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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.