Home / 83,910.04-115,796.14-48,102.20

Finding the Fourth Proportional to 83,910.04, 115,796.14 and 48,102.20

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Solution

The fourth proportional to 83,910.04, 115,796.14 and 48,102.20 is: 66,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,910.04 : 115,796.14 = 48,102.20 : x
  2. Step 2: Convert to fraction form
    83,910.04/115,796.14 = 48,102.20/x
  3. Step 3: Cross multiply
    83,910.04x = 115,796.14 × 48,102.20
  4. Step 4: Simplify right side
    83,910.04x = 5,570,049,085.51
  5. Step 5: Solve for x
    x = 5,570,049,085.51/83,910.04
  6. Step 6: Final answer
    x = 66,381.20

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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.