Home / 79,440.90-109,624.08-43,625.13

Finding the Fourth Proportional to 79,440.90, 109,624.08 and 43,625.13

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Solution

The fourth proportional to 79,440.90, 109,624.08 and 43,625.13 is: 60,200.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,440.90 : 109,624.08 = 43,625.13 : x
  2. Step 2: Convert to fraction form
    79,440.90/109,624.08 = 43,625.13/x
  3. Step 3: Cross multiply
    79,440.90x = 109,624.08 × 43,625.13
  4. Step 4: Simplify right side
    79,440.90x = 4,782,364,741.13
  5. Step 5: Solve for x
    x = 4,782,364,741.13/79,440.90
  6. Step 6: Final answer
    x = 60,200.28

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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.