Home / 77,847.24-107,423.10-43,854.24

Finding the Fourth Proportional to 77,847.24, 107,423.10 and 43,854.24

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Solution

The fourth proportional to 77,847.24, 107,423.10 and 43,854.24 is: 60,515.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,847.24 : 107,423.10 = 43,854.24 : x
  2. Step 2: Convert to fraction form
    77,847.24/107,423.10 = 43,854.24/x
  3. Step 3: Cross multiply
    77,847.24x = 107,423.10 × 43,854.24
  4. Step 4: Simplify right side
    77,847.24x = 4,710,958,408.94
  5. Step 5: Solve for x
    x = 4,710,958,408.94/77,847.24
  6. Step 6: Final answer
    x = 60,515.42

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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.