Home / 86,629.49-119,547.41-48,389.73

Finding the Fourth Proportional to 86,629.49, 119,547.41 and 48,389.73

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Solution

The fourth proportional to 86,629.49, 119,547.41 and 48,389.73 is: 66,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,629.49 : 119,547.41 = 48,389.73 : x
  2. Step 2: Convert to fraction form
    86,629.49/119,547.41 = 48,389.73/x
  3. Step 3: Cross multiply
    86,629.49x = 119,547.41 × 48,389.73
  4. Step 4: Simplify right side
    86,629.49x = 5,784,866,650.15
  5. Step 5: Solve for x
    x = 5,784,866,650.15/86,629.49
  6. Step 6: Final answer
    x = 66,777.10

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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.