Home / 48,305.81-72,450.34-12,767.53

Finding the Fourth Proportional to 48,305.81, 72,450.34 and 12,767.53

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Solution

The fourth proportional to 48,305.81, 72,450.34 and 12,767.53 is: 19,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,305.81 : 72,450.34 = 12,767.53 : x
  2. Step 2: Convert to fraction form
    48,305.81/72,450.34 = 12,767.53/x
  3. Step 3: Cross multiply
    48,305.81x = 72,450.34 × 12,767.53
  4. Step 4: Simplify right side
    48,305.81x = 925,011,889.46
  5. Step 5: Solve for x
    x = 925,011,889.46/48,305.81
  6. Step 6: Final answer
    x = 19,149.08

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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.