Home / 113,368.68-169,980.12-54,203.04

Finding the Fourth Proportional to 113,368.68, 169,980.12 and 54,203.04

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Solution

The fourth proportional to 113,368.68, 169,980.12 and 54,203.04 is: 81,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,368.68 : 169,980.12 = 54,203.04 : x
  2. Step 2: Convert to fraction form
    113,368.68/169,980.12 = 54,203.04/x
  3. Step 3: Cross multiply
    113,368.68x = 169,980.12 × 54,203.04
  4. Step 4: Simplify right side
    113,368.68x = 9,213,439,243.56
  5. Step 5: Solve for x
    x = 9,213,439,243.56/113,368.68
  6. Step 6: Final answer
    x = 81,269.71

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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.