Home / 86,396.28-119,236.52-48,159.31

Finding the Fourth Proportional to 86,396.28, 119,236.52 and 48,159.31

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Solution

The fourth proportional to 86,396.28, 119,236.52 and 48,159.31 is: 66,465.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,396.28 : 119,236.52 = 48,159.31 : x
  2. Step 2: Convert to fraction form
    86,396.28/119,236.52 = 48,159.31/x
  3. Step 3: Cross multiply
    86,396.28x = 119,236.52 × 48,159.31
  4. Step 4: Simplify right side
    86,396.28x = 5,742,348,530.00
  5. Step 5: Solve for x
    x = 5,742,348,530.00/86,396.28
  6. Step 6: Final answer
    x = 66,465.23

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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.