Home / 113,368.06-169,979.18-54,202.42

Finding the Fourth Proportional to 113,368.06, 169,979.18 and 54,202.42

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Solution

The fourth proportional to 113,368.06, 169,979.18 and 54,202.42 is: 81,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,368.06 : 169,979.18 = 54,202.42 : x
  2. Step 2: Convert to fraction form
    113,368.06/169,979.18 = 54,202.42/x
  3. Step 3: Cross multiply
    113,368.06x = 169,979.18 × 54,202.42
  4. Step 4: Simplify right side
    113,368.06x = 9,213,282,905.62
  5. Step 5: Solve for x
    x = 9,213,282,905.62/113,368.06
  6. Step 6: Final answer
    x = 81,268.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.