Home / 56,738.10-85,107.15-44,987.70

Finding the Fourth Proportional to 56,738.10, 85,107.15 and 44,987.70

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Solution

The fourth proportional to 56,738.10, 85,107.15 and 44,987.70 is: 67,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,738.10 : 85,107.15 = 44,987.70 : x
  2. Step 2: Convert to fraction form
    56,738.10/85,107.15 = 44,987.70/x
  3. Step 3: Cross multiply
    56,738.10x = 85,107.15 × 44,987.70
  4. Step 4: Simplify right side
    56,738.10x = 3,828,774,932.06
  5. Step 5: Solve for x
    x = 3,828,774,932.06/56,738.10
  6. Step 6: Final answer
    x = 67,481.55

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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.