Home / 48,601.13-72,901.69-11,665.13

Finding the Fourth Proportional to 48,601.13, 72,901.69 and 11,665.13

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Solution

The fourth proportional to 48,601.13, 72,901.69 and 11,665.13 is: 17,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,601.13 : 72,901.69 = 11,665.13 : x
  2. Step 2: Convert to fraction form
    48,601.13/72,901.69 = 11,665.13/x
  3. Step 3: Cross multiply
    48,601.13x = 72,901.69 × 11,665.13
  4. Step 4: Simplify right side
    48,601.13x = 850,407,297.40
  5. Step 5: Solve for x
    x = 850,407,297.40/48,601.13
  6. Step 6: Final answer
    x = 17,497.69

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1.5x scale

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.