Home / 48,623.80-72,935.70-11,687.80

Finding the Fourth Proportional to 48,623.80, 72,935.70 and 11,687.80

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Solution

The fourth proportional to 48,623.80, 72,935.70 and 11,687.80 is: 17,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,623.80 : 72,935.70 = 11,687.80 : x
  2. Step 2: Convert to fraction form
    48,623.80/72,935.70 = 11,687.80/x
  3. Step 3: Cross multiply
    48,623.80x = 72,935.70 × 11,687.80
  4. Step 4: Simplify right side
    48,623.80x = 852,457,874.46
  5. Step 5: Solve for x
    x = 852,457,874.46/48,623.80
  6. Step 6: Final answer
    x = 17,531.70

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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.