Home / 77,626.40-107,165.22-52,266.12

Finding the Fourth Proportional to 77,626.40, 107,165.22 and 52,266.12

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Solution

The fourth proportional to 77,626.40, 107,165.22 and 52,266.12 is: 72,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,626.40 : 107,165.22 = 52,266.12 : x
  2. Step 2: Convert to fraction form
    77,626.40/107,165.22 = 52,266.12/x
  3. Step 3: Cross multiply
    77,626.40x = 107,165.22 × 52,266.12
  4. Step 4: Simplify right side
    77,626.40x = 5,601,110,248.35
  5. Step 5: Solve for x
    x = 5,601,110,248.35/77,626.40
  6. Step 6: Final answer
    x = 72,154.71

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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.