Home / 88,550.96-122,186.28-49,781.12

Finding the Fourth Proportional to 88,550.96, 122,186.28 and 49,781.12

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Solution

The fourth proportional to 88,550.96, 122,186.28 and 49,781.12 is: 68,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,550.96 : 122,186.28 = 49,781.12 : x
  2. Step 2: Convert to fraction form
    88,550.96/122,186.28 = 49,781.12/x
  3. Step 3: Cross multiply
    88,550.96x = 122,186.28 × 49,781.12
  4. Step 4: Simplify right side
    88,550.96x = 6,082,569,867.03
  5. Step 5: Solve for x
    x = 6,082,569,867.03/88,550.96
  6. Step 6: Final answer
    x = 68,690.05

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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.