Home / 86,339.40-119,147.94-48,099.36

Finding the Fourth Proportional to 86,339.40, 119,147.94 and 48,099.36

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Solution

The fourth proportional to 86,339.40, 119,147.94 and 48,099.36 is: 66,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,339.40 : 119,147.94 = 48,099.36 : x
  2. Step 2: Convert to fraction form
    86,339.40/119,147.94 = 48,099.36/x
  3. Step 3: Cross multiply
    86,339.40x = 119,147.94 × 48,099.36
  4. Step 4: Simplify right side
    86,339.40x = 5,730,939,659.32
  5. Step 5: Solve for x
    x = 5,730,939,659.32/86,339.40
  6. Step 6: Final answer
    x = 66,376.88

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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.