Home / 56,518.88-78,010.24-32,659.44

Finding the Fourth Proportional to 56,518.88, 78,010.24 and 32,659.44

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Solution

The fourth proportional to 56,518.88, 78,010.24 and 32,659.44 is: 45,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,518.88 : 78,010.24 = 32,659.44 : x
  2. Step 2: Convert to fraction form
    56,518.88/78,010.24 = 32,659.44/x
  3. Step 3: Cross multiply
    56,518.88x = 78,010.24 × 32,659.44
  4. Step 4: Simplify right side
    56,518.88x = 2,547,770,752.67
  5. Step 5: Solve for x
    x = 2,547,770,752.67/56,518.88
  6. Step 6: Final answer
    x = 45,078.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.