Home / 83,515.10-125,274.47-30,925.04

Finding the Fourth Proportional to 83,515.10, 125,274.47 and 30,925.04

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Solution

The fourth proportional to 83,515.10, 125,274.47 and 30,925.04 is: 46,388.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,515.10 : 125,274.47 = 30,925.04 : x
  2. Step 2: Convert to fraction form
    83,515.10/125,274.47 = 30,925.04/x
  3. Step 3: Cross multiply
    83,515.10x = 125,274.47 × 30,925.04
  4. Step 4: Simplify right side
    83,515.10x = 3,874,117,214.73
  5. Step 5: Solve for x
    x = 3,874,117,214.73/83,515.10
  6. Step 6: Final answer
    x = 46,388.23

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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.