Home / 48,870.36-73,296.36-13,809.78

Finding the Fourth Proportional to 48,870.36, 73,296.36 and 13,809.78

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Solution

The fourth proportional to 48,870.36, 73,296.36 and 13,809.78 is: 20,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,870.36 : 73,296.36 = 13,809.78 : x
  2. Step 2: Convert to fraction form
    48,870.36/73,296.36 = 13,809.78/x
  3. Step 3: Cross multiply
    48,870.36x = 73,296.36 × 13,809.78
  4. Step 4: Simplify right side
    48,870.36x = 1,012,206,606.40
  5. Step 5: Solve for x
    x = 1,012,206,606.40/48,870.36
  6. Step 6: Final answer
    x = 20,712.08

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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.