Home / 48,870.20-73,302.06-13,813.40

Finding the Fourth Proportional to 48,870.20, 73,302.06 and 13,813.40

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Solution

The fourth proportional to 48,870.20, 73,302.06 and 13,813.40 is: 20,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,870.20 : 73,302.06 = 13,813.40 : x
  2. Step 2: Convert to fraction form
    48,870.20/73,302.06 = 13,813.40/x
  3. Step 3: Cross multiply
    48,870.20x = 73,302.06 × 13,813.40
  4. Step 4: Simplify right side
    48,870.20x = 1,012,550,675.60
  5. Step 5: Solve for x
    x = 1,012,550,675.60/48,870.20
  6. Step 6: Final answer
    x = 20,719.18

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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.