Home / 79,157.41-109,237.15-43,348.12

Finding the Fourth Proportional to 79,157.41, 109,237.15 and 43,348.12

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Solution

The fourth proportional to 79,157.41, 109,237.15 and 43,348.12 is: 59,820.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,157.41 : 109,237.15 = 43,348.12 : x
  2. Step 2: Convert to fraction form
    79,157.41/109,237.15 = 43,348.12/x
  3. Step 3: Cross multiply
    79,157.41x = 109,237.15 × 43,348.12
  4. Step 4: Simplify right side
    79,157.41x = 4,735,225,086.66
  5. Step 5: Solve for x
    x = 4,735,225,086.66/79,157.41
  6. Step 6: Final answer
    x = 59,820.36

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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.