Home / 48,977.36-73,466.04-13,920.08

Finding the Fourth Proportional to 48,977.36, 73,466.04 and 13,920.08

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Solution

The fourth proportional to 48,977.36, 73,466.04 and 13,920.08 is: 20,880.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,977.36 : 73,466.04 = 13,920.08 : x
  2. Step 2: Convert to fraction form
    48,977.36/73,466.04 = 13,920.08/x
  3. Step 3: Cross multiply
    48,977.36x = 73,466.04 × 13,920.08
  4. Step 4: Simplify right side
    48,977.36x = 1,022,653,154.08
  5. Step 5: Solve for x
    x = 1,022,653,154.08/48,977.36
  6. Step 6: Final answer
    x = 20,880.12

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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.