Home / 48,723.50-73,085.25-11,787.50

Finding the Fourth Proportional to 48,723.50, 73,085.25 and 11,787.50

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Solution

The fourth proportional to 48,723.50, 73,085.25 and 11,787.50 is: 17,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,723.50 : 73,085.25 = 11,787.50 : x
  2. Step 2: Convert to fraction form
    48,723.50/73,085.25 = 11,787.50/x
  3. Step 3: Cross multiply
    48,723.50x = 73,085.25 × 11,787.50
  4. Step 4: Simplify right side
    48,723.50x = 861,492,384.38
  5. Step 5: Solve for x
    x = 861,492,384.38/48,723.50
  6. Step 6: Final answer
    x = 17,681.25

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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.