Home / 79,839.15-110,192.18-48,010.20

Finding the Fourth Proportional to 79,839.15, 110,192.18 and 48,010.20

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Solution

The fourth proportional to 79,839.15, 110,192.18 and 48,010.20 is: 66,262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,839.15 : 110,192.18 = 48,010.20 : x
  2. Step 2: Convert to fraction form
    79,839.15/110,192.18 = 48,010.20/x
  3. Step 3: Cross multiply
    79,839.15x = 110,192.18 × 48,010.20
  4. Step 4: Simplify right side
    79,839.15x = 5,290,348,360.19
  5. Step 5: Solve for x
    x = 5,290,348,360.19/79,839.15
  6. Step 6: Final answer
    x = 66,262.58

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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.