Home / 77,626.68-107,040.06-52,432.44

Finding the Fourth Proportional to 77,626.68, 107,040.06 and 52,432.44

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Solution

The fourth proportional to 77,626.68, 107,040.06 and 52,432.44 is: 72,299.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,626.68 : 107,040.06 = 52,432.44 : x
  2. Step 2: Convert to fraction form
    77,626.68/107,040.06 = 52,432.44/x
  3. Step 3: Cross multiply
    77,626.68x = 107,040.06 × 52,432.44
  4. Step 4: Simplify right side
    77,626.68x = 5,612,371,523.55
  5. Step 5: Solve for x
    x = 5,612,371,523.55/77,626.68
  6. Step 6: Final answer
    x = 72,299.52

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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.