Home / 83,884.28-125,904.18-42,360.44

Finding the Fourth Proportional to 83,884.28, 125,904.18 and 42,360.44

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Solution

The fourth proportional to 83,884.28, 125,904.18 and 42,360.44 is: 63,579.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,884.28 : 125,904.18 = 42,360.44 : x
  2. Step 2: Convert to fraction form
    83,884.28/125,904.18 = 42,360.44/x
  3. Step 3: Cross multiply
    83,884.28x = 125,904.18 × 42,360.44
  4. Step 4: Simplify right side
    83,884.28x = 5,333,356,462.64
  5. Step 5: Solve for x
    x = 5,333,356,462.64/83,884.28
  6. Step 6: Final answer
    x = 63,579.93

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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.