Home / 83,891.36-125,880.76-34,008.32

Finding the Fourth Proportional to 83,891.36, 125,880.76 and 34,008.32

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Solution

The fourth proportional to 83,891.36, 125,880.76 and 34,008.32 is: 51,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,891.36 : 125,880.76 = 34,008.32 : x
  2. Step 2: Convert to fraction form
    83,891.36/125,880.76 = 34,008.32/x
  3. Step 3: Cross multiply
    83,891.36x = 125,880.76 × 34,008.32
  4. Step 4: Simplify right side
    83,891.36x = 4,280,993,167.92
  5. Step 5: Solve for x
    x = 4,280,993,167.92/83,891.36
  6. Step 6: Final answer
    x = 51,030.20

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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.