Home / 52,987.61-79,481.21-13,544.66

Finding the Fourth Proportional to 52,987.61, 79,481.21 and 13,544.66

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Solution

The fourth proportional to 52,987.61, 79,481.21 and 13,544.66 is: 20,316.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,987.61 : 79,481.21 = 13,544.66 : x
  2. Step 2: Convert to fraction form
    52,987.61/79,481.21 = 13,544.66/x
  3. Step 3: Cross multiply
    52,987.61x = 79,481.21 × 13,544.66
  4. Step 4: Simplify right side
    52,987.61x = 1,076,545,500.71
  5. Step 5: Solve for x
    x = 1,076,545,500.71/52,987.61
  6. Step 6: Final answer
    x = 20,316.93

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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.