Home / 86,768.90-119,740.73-48,528.29

Finding the Fourth Proportional to 86,768.90, 119,740.73 and 48,528.29

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Solution

The fourth proportional to 86,768.90, 119,740.73 and 48,528.29 is: 66,968.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,768.90 : 119,740.73 = 48,528.29 : x
  2. Step 2: Convert to fraction form
    86,768.90/119,740.73 = 48,528.29/x
  3. Step 3: Cross multiply
    86,768.90x = 119,740.73 × 48,528.29
  4. Step 4: Simplify right side
    86,768.90x = 5,810,812,863.16
  5. Step 5: Solve for x
    x = 5,810,812,863.16/86,768.90
  6. Step 6: Final answer
    x = 66,968.85

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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.