Home / 53,335.08-79,914.96-18,255.60

Finding the Fourth Proportional to 53,335.08, 79,914.96 and 18,255.60

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Solution

The fourth proportional to 53,335.08, 79,914.96 and 18,255.60 is: 27,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,335.08 : 79,914.96 = 18,255.60 : x
  2. Step 2: Convert to fraction form
    53,335.08/79,914.96 = 18,255.60/x
  3. Step 3: Cross multiply
    53,335.08x = 79,914.96 × 18,255.60
  4. Step 4: Simplify right side
    53,335.08x = 1,458,895,543.78
  5. Step 5: Solve for x
    x = 1,458,895,543.78/53,335.08
  6. Step 6: Final answer
    x = 27,353.40

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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.