Home / 86,569.31-119,465.18-48,326.65

Finding the Fourth Proportional to 86,569.31, 119,465.18 and 48,326.65

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Solution

The fourth proportional to 86,569.31, 119,465.18 and 48,326.65 is: 66,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,569.31 : 119,465.18 = 48,326.65 : x
  2. Step 2: Convert to fraction form
    86,569.31/119,465.18 = 48,326.65/x
  3. Step 3: Cross multiply
    86,569.31x = 119,465.18 × 48,326.65
  4. Step 4: Simplify right side
    86,569.31x = 5,773,351,102.09
  5. Step 5: Solve for x
    x = 5,773,351,102.09/86,569.31
  6. Step 6: Final answer
    x = 66,690.51

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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.