Home / 53,705.76-80,567.28-18,655.44

Finding the Fourth Proportional to 53,705.76, 80,567.28 and 18,655.44

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Solution

The fourth proportional to 53,705.76, 80,567.28 and 18,655.44 is: 27,986.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,705.76 : 80,567.28 = 18,655.44 : x
  2. Step 2: Convert to fraction form
    53,705.76/80,567.28 = 18,655.44/x
  3. Step 3: Cross multiply
    53,705.76x = 80,567.28 × 18,655.44
  4. Step 4: Simplify right side
    53,705.76x = 1,503,018,058.00
  5. Step 5: Solve for x
    x = 1,503,018,058.00/53,705.76
  6. Step 6: Final answer
    x = 27,986.16

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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.