Home / 79,512.74-109,725.26-45,520.10

Finding the Fourth Proportional to 79,512.74, 109,725.26 and 45,520.10

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Solution

The fourth proportional to 79,512.74, 109,725.26 and 45,520.10 is: 62,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,512.74 : 109,725.26 = 45,520.10 : x
  2. Step 2: Convert to fraction form
    79,512.74/109,725.26 = 45,520.10/x
  3. Step 3: Cross multiply
    79,512.74x = 109,725.26 × 45,520.10
  4. Step 4: Simplify right side
    79,512.74x = 4,994,704,031.50
  5. Step 5: Solve for x
    x = 4,994,704,031.50/79,512.74
  6. Step 6: Final answer
    x = 62,816.40

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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.