Home / 86,342.10-119,151.99-48,616.62

Finding the Fourth Proportional to 86,342.10, 119,151.99 and 48,616.62

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Solution

The fourth proportional to 86,342.10, 119,151.99 and 48,616.62 is: 67,090.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,342.10 : 119,151.99 = 48,616.62 : x
  2. Step 2: Convert to fraction form
    86,342.10/119,151.99 = 48,616.62/x
  3. Step 3: Cross multiply
    86,342.10x = 119,151.99 × 48,616.62
  4. Step 4: Simplify right side
    86,342.10x = 5,792,767,020.07
  5. Step 5: Solve for x
    x = 5,792,767,020.07/86,342.10
  6. Step 6: Final answer
    x = 67,090.87

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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.