Home / 86,382.90-119,210.36-48,146.37

Finding the Fourth Proportional to 86,382.90, 119,210.36 and 48,146.37

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Solution

The fourth proportional to 86,382.90, 119,210.36 and 48,146.37 is: 66,443.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,382.90 : 119,210.36 = 48,146.37 : x
  2. Step 2: Convert to fraction form
    86,382.90/119,210.36 = 48,146.37/x
  3. Step 3: Cross multiply
    86,382.90x = 119,210.36 × 48,146.37
  4. Step 4: Simplify right side
    86,382.90x = 5,739,546,100.39
  5. Step 5: Solve for x
    x = 5,739,546,100.39/86,382.90
  6. Step 6: Final answer
    x = 66,443.08

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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.