Home / 53,190.57-73,402.02-28,991.77

Finding the Fourth Proportional to 53,190.57, 73,402.02 and 28,991.77

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Solution

The fourth proportional to 53,190.57, 73,402.02 and 28,991.77 is: 40,008.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,190.57 : 73,402.02 = 28,991.77 : x
  2. Step 2: Convert to fraction form
    53,190.57/73,402.02 = 28,991.77/x
  3. Step 3: Cross multiply
    53,190.57x = 73,402.02 × 28,991.77
  4. Step 4: Simplify right side
    53,190.57x = 2,128,054,481.38
  5. Step 5: Solve for x
    x = 2,128,054,481.38/53,190.57
  6. Step 6: Final answer
    x = 40,008.12

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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.