Home / 86,891.12-119,881.87-48,645.04

Finding the Fourth Proportional to 86,891.12, 119,881.87 and 48,645.04

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Solution

The fourth proportional to 86,891.12, 119,881.87 and 48,645.04 is: 67,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,891.12 : 119,881.87 = 48,645.04 : x
  2. Step 2: Convert to fraction form
    86,891.12/119,881.87 = 48,645.04/x
  3. Step 3: Cross multiply
    86,891.12x = 119,881.87 × 48,645.04
  4. Step 4: Simplify right side
    86,891.12x = 5,831,657,940.11
  5. Step 5: Solve for x
    x = 5,831,657,940.11/86,891.12
  6. Step 6: Final answer
    x = 67,114.54

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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.