Home / 83,346.57-125,019.65-21,017.07

Finding the Fourth Proportional to 83,346.57, 125,019.65 and 21,017.07

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Solution

The fourth proportional to 83,346.57, 125,019.65 and 21,017.07 is: 31,525.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,346.57 : 125,019.65 = 21,017.07 : x
  2. Step 2: Convert to fraction form
    83,346.57/125,019.65 = 21,017.07/x
  3. Step 3: Cross multiply
    83,346.57x = 125,019.65 × 21,017.07
  4. Step 4: Simplify right side
    83,346.57x = 2,627,546,787.97
  5. Step 5: Solve for x
    x = 2,627,546,787.97/83,346.57
  6. Step 6: Final answer
    x = 31,525.55

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1.5x scale

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.