Home / 83,205.21-124,838.98-43,199.22

Finding the Fourth Proportional to 83,205.21, 124,838.98 and 43,199.22

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Solution

The fourth proportional to 83,205.21, 124,838.98 and 43,199.22 is: 64,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,205.21 : 124,838.98 = 43,199.22 : x
  2. Step 2: Convert to fraction form
    83,205.21/124,838.98 = 43,199.22/x
  3. Step 3: Cross multiply
    83,205.21x = 124,838.98 × 43,199.22
  4. Step 4: Simplify right side
    83,205.21x = 5,392,947,225.49
  5. Step 5: Solve for x
    x = 5,392,947,225.49/83,205.21
  6. Step 6: Final answer
    x = 64,815.02

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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.