Home / 83,947.32-125,890.74-27,777.06

Finding the Fourth Proportional to 83,947.32, 125,890.74 and 27,777.06

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Solution

The fourth proportional to 83,947.32, 125,890.74 and 27,777.06 is: 41,655.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,947.32 : 125,890.74 = 27,777.06 : x
  2. Step 2: Convert to fraction form
    83,947.32/125,890.74 = 27,777.06/x
  3. Step 3: Cross multiply
    83,947.32x = 125,890.74 × 27,777.06
  4. Step 4: Simplify right side
    83,947.32x = 3,496,874,638.42
  5. Step 5: Solve for x
    x = 3,496,874,638.42/83,947.32
  6. Step 6: Final answer
    x = 41,655.58

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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.