Home / 77,575.25-107,047.27-43,581.07

Finding the Fourth Proportional to 77,575.25, 107,047.27 and 43,581.07

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Solution

The fourth proportional to 77,575.25, 107,047.27 and 43,581.07 is: 60,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,575.25 : 107,047.27 = 43,581.07 : x
  2. Step 2: Convert to fraction form
    77,575.25/107,047.27 = 43,581.07/x
  3. Step 3: Cross multiply
    77,575.25x = 107,047.27 × 43,581.07
  4. Step 4: Simplify right side
    77,575.25x = 4,665,234,153.32
  5. Step 5: Solve for x
    x = 4,665,234,153.32/77,575.25
  6. Step 6: Final answer
    x = 60,138.18

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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.