Home / 53,765.81-80,643.50-16,326.21

Finding the Fourth Proportional to 53,765.81, 80,643.50 and 16,326.21

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Solution

The fourth proportional to 53,765.81, 80,643.50 and 16,326.21 is: 24,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,765.81 : 80,643.50 = 16,326.21 : x
  2. Step 2: Convert to fraction form
    53,765.81/80,643.50 = 16,326.21/x
  3. Step 3: Cross multiply
    53,765.81x = 80,643.50 × 16,326.21
  4. Step 4: Simplify right side
    53,765.81x = 1,316,602,388.47
  5. Step 5: Solve for x
    x = 1,316,602,388.47/53,765.81
  6. Step 6: Final answer
    x = 24,487.73

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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.