Home / 48,340.26-72,513.09-13,279.14

Finding the Fourth Proportional to 48,340.26, 72,513.09 and 13,279.14

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Solution

The fourth proportional to 48,340.26, 72,513.09 and 13,279.14 is: 19,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,340.26 : 72,513.09 = 13,279.14 : x
  2. Step 2: Convert to fraction form
    48,340.26/72,513.09 = 13,279.14/x
  3. Step 3: Cross multiply
    48,340.26x = 72,513.09 × 13,279.14
  4. Step 4: Simplify right side
    48,340.26x = 962,911,473.94
  5. Step 5: Solve for x
    x = 962,911,473.94/48,340.26
  6. Step 6: Final answer
    x = 19,919.45

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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.