Home / 77,847.28-107,435.64-44,315.44

Finding the Fourth Proportional to 77,847.28, 107,435.64 and 44,315.44

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Solution

The fourth proportional to 77,847.28, 107,435.64 and 44,315.44 is: 61,158.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,847.28 : 107,435.64 = 44,315.44 : x
  2. Step 2: Convert to fraction form
    77,847.28/107,435.64 = 44,315.44/x
  3. Step 3: Cross multiply
    77,847.28x = 107,435.64 × 44,315.44
  4. Step 4: Simplify right side
    77,847.28x = 4,761,057,658.28
  5. Step 5: Solve for x
    x = 4,761,057,658.28/77,847.28
  6. Step 6: Final answer
    x = 61,158.95

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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.