Home / 86,506.26-119,378.66-48,780.52

Finding the Fourth Proportional to 86,506.26, 119,378.66 and 48,780.52

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Solution

The fourth proportional to 86,506.26, 119,378.66 and 48,780.52 is: 67,317.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,506.26 : 119,378.66 = 48,780.52 : x
  2. Step 2: Convert to fraction form
    86,506.26/119,378.66 = 48,780.52/x
  3. Step 3: Cross multiply
    86,506.26x = 119,378.66 × 48,780.52
  4. Step 4: Simplify right side
    86,506.26x = 5,823,353,111.70
  5. Step 5: Solve for x
    x = 5,823,353,111.70/86,506.26
  6. Step 6: Final answer
    x = 67,317.13

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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.