Home / 48,718.08-73,074.33-13,178.88

Finding the Fourth Proportional to 48,718.08, 73,074.33 and 13,178.88

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Solution

The fourth proportional to 48,718.08, 73,074.33 and 13,178.88 is: 19,767.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,718.08 : 73,074.33 = 13,178.88 : x
  2. Step 2: Convert to fraction form
    48,718.08/73,074.33 = 13,178.88/x
  3. Step 3: Cross multiply
    48,718.08x = 73,074.33 × 13,178.88
  4. Step 4: Simplify right side
    48,718.08x = 963,037,826.15
  5. Step 5: Solve for x
    x = 963,037,826.15/48,718.08
  6. Step 6: Final answer
    x = 19,767.57

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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.