Home / 80,318.12-110,802.66-48,476.84

Finding the Fourth Proportional to 80,318.12, 110,802.66 and 48,476.84

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Solution

The fourth proportional to 80,318.12, 110,802.66 and 48,476.84 is: 66,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,318.12 : 110,802.66 = 48,476.84 : x
  2. Step 2: Convert to fraction form
    80,318.12/110,802.66 = 48,476.84/x
  3. Step 3: Cross multiply
    80,318.12x = 110,802.66 × 48,476.84
  4. Step 4: Simplify right side
    80,318.12x = 5,371,362,820.39
  5. Step 5: Solve for x
    x = 5,371,362,820.39/80,318.12
  6. Step 6: Final answer
    x = 66,876.10

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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.