Home / 56,215.32-84,319.20-26,656.80

Finding the Fourth Proportional to 56,215.32, 84,319.20 and 26,656.80

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Solution

The fourth proportional to 56,215.32, 84,319.20 and 26,656.80 is: 39,983.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,215.32 : 84,319.20 = 26,656.80 : x
  2. Step 2: Convert to fraction form
    56,215.32/84,319.20 = 26,656.80/x
  3. Step 3: Cross multiply
    56,215.32x = 84,319.20 × 26,656.80
  4. Step 4: Simplify right side
    56,215.32x = 2,247,680,050.56
  5. Step 5: Solve for x
    x = 2,247,680,050.56/56,215.32
  6. Step 6: Final answer
    x = 39,983.41

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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.