Home / 83,320.65-124,980.37-33,400.02

Finding the Fourth Proportional to 83,320.65, 124,980.37 and 33,400.02

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Solution

The fourth proportional to 83,320.65, 124,980.37 and 33,400.02 is: 50,099.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,320.65 : 124,980.37 = 33,400.02 : x
  2. Step 2: Convert to fraction form
    83,320.65/124,980.37 = 33,400.02/x
  3. Step 3: Cross multiply
    83,320.65x = 124,980.37 × 33,400.02
  4. Step 4: Simplify right side
    83,320.65x = 4,174,346,857.61
  5. Step 5: Solve for x
    x = 4,174,346,857.61/83,320.65
  6. Step 6: Final answer
    x = 50,099.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.