Home / 53,520.72-73,862.76-29,649.60

Finding the Fourth Proportional to 53,520.72, 73,862.76 and 29,649.60

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Solution

The fourth proportional to 53,520.72, 73,862.76 and 29,649.60 is: 40,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,520.72 : 73,862.76 = 29,649.60 : x
  2. Step 2: Convert to fraction form
    53,520.72/73,862.76 = 29,649.60/x
  3. Step 3: Cross multiply
    53,520.72x = 73,862.76 × 29,649.60
  4. Step 4: Simplify right side
    53,520.72x = 2,190,001,288.90
  5. Step 5: Solve for x
    x = 2,190,001,288.90/53,520.72
  6. Step 6: Final answer
    x = 40,918.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.