Home / 124,394.64-186,621.12-49,519.36

Finding the Fourth Proportional to 124,394.64, 186,621.12 and 49,519.36

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Solution

The fourth proportional to 124,394.64, 186,621.12 and 49,519.36 is: 74,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,394.64 : 186,621.12 = 49,519.36 : x
  2. Step 2: Convert to fraction form
    124,394.64/186,621.12 = 49,519.36/x
  3. Step 3: Cross multiply
    124,394.64x = 186,621.12 × 49,519.36
  4. Step 4: Simplify right side
    124,394.64x = 9,241,358,424.88
  5. Step 5: Solve for x
    x = 9,241,358,424.88/124,394.64
  6. Step 6: Final answer
    x = 74,290.65

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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.