Home / 86,850.16-119,859-48,613.02

Finding the Fourth Proportional to 86,850.16, 119,859 and 48,613.02

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Solution

The fourth proportional to 86,850.16, 119,859 and 48,613.02 is: 67,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,850.16 : 119,859 = 48,613.02 : x
  2. Step 2: Convert to fraction form
    86,850.16/119,859 = 48,613.02/x
  3. Step 3: Cross multiply
    86,850.16x = 119,859 × 48,613.02
  4. Step 4: Simplify right side
    86,850.16x = 5,826,707,964.18
  5. Step 5: Solve for x
    x = 5,826,707,964.18/86,850.16
  6. Step 6: Final answer
    x = 67,089.20

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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.