Home / 40,983.76-61,468.35-11,393.65

Finding the Fourth Proportional to 40,983.76, 61,468.35 and 11,393.65

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Solution

The fourth proportional to 40,983.76, 61,468.35 and 11,393.65 is: 17,088.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,983.76 : 61,468.35 = 11,393.65 : x
  2. Step 2: Convert to fraction form
    40,983.76/61,468.35 = 11,393.65/x
  3. Step 3: Cross multiply
    40,983.76x = 61,468.35 × 11,393.65
  4. Step 4: Simplify right side
    40,983.76x = 700,348,865.98
  5. Step 5: Solve for x
    x = 700,348,865.98/40,983.76
  6. Step 6: Final answer
    x = 17,088.45

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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.