Home / 56,805.08-78,378.38-32,604.56

Finding the Fourth Proportional to 56,805.08, 78,378.38 and 32,604.56

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Solution

The fourth proportional to 56,805.08, 78,378.38 and 32,604.56 is: 44,987.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,805.08 : 78,378.38 = 32,604.56 : x
  2. Step 2: Convert to fraction form
    56,805.08/78,378.38 = 32,604.56/x
  3. Step 3: Cross multiply
    56,805.08x = 78,378.38 × 32,604.56
  4. Step 4: Simplify right side
    56,805.08x = 2,555,492,748.60
  5. Step 5: Solve for x
    x = 2,555,492,748.60/56,805.08
  6. Step 6: Final answer
    x = 44,987.05

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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.