Home / 79,623.90-109,868.43-45,625.85

Finding the Fourth Proportional to 79,623.90, 109,868.43 and 45,625.85

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Solution

The fourth proportional to 79,623.90, 109,868.43 and 45,625.85 is: 62,956.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,623.90 : 109,868.43 = 45,625.85 : x
  2. Step 2: Convert to fraction form
    79,623.90/109,868.43 = 45,625.85/x
  3. Step 3: Cross multiply
    79,623.90x = 109,868.43 × 45,625.85
  4. Step 4: Simplify right side
    79,623.90x = 5,012,840,506.92
  5. Step 5: Solve for x
    x = 5,012,840,506.92/79,623.90
  6. Step 6: Final answer
    x = 62,956.48

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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.