Home / 86,339.65-119,146.91-48,099.14

Finding the Fourth Proportional to 86,339.65, 119,146.91 and 48,099.14

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Solution

The fourth proportional to 86,339.65, 119,146.91 and 48,099.14 is: 66,375.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,339.65 : 119,146.91 = 48,099.14 : x
  2. Step 2: Convert to fraction form
    86,339.65/119,146.91 = 48,099.14/x
  3. Step 3: Cross multiply
    86,339.65x = 119,146.91 × 48,099.14
  4. Step 4: Simplify right side
    86,339.65x = 5,730,863,784.41
  5. Step 5: Solve for x
    x = 5,730,863,784.41/86,339.65
  6. Step 6: Final answer
    x = 66,375.81

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1.5x scale

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.