Home / 77,772.20-107,325.40-44,238.20

Finding the Fourth Proportional to 77,772.20, 107,325.40 and 44,238.20

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Solution

The fourth proportional to 77,772.20, 107,325.40 and 44,238.20 is: 61,048.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,772.20 : 107,325.40 = 44,238.20 : x
  2. Step 2: Convert to fraction form
    77,772.20/107,325.40 = 44,238.20/x
  3. Step 3: Cross multiply
    77,772.20x = 107,325.40 × 44,238.20
  4. Step 4: Simplify right side
    77,772.20x = 4,747,882,510.28
  5. Step 5: Solve for x
    x = 4,747,882,510.28/77,772.20
  6. Step 6: Final answer
    x = 61,048.58

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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.