Home / 53,190.20-73,402.09-29,316.90

Finding the Fourth Proportional to 53,190.20, 73,402.09 and 29,316.90

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Solution

The fourth proportional to 53,190.20, 73,402.09 and 29,316.90 is: 40,457.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,190.20 : 73,402.09 = 29,316.90 : x
  2. Step 2: Convert to fraction form
    53,190.20/73,402.09 = 29,316.90/x
  3. Step 3: Cross multiply
    53,190.20x = 73,402.09 × 29,316.90
  4. Step 4: Simplify right side
    53,190.20x = 2,151,921,659.03
  5. Step 5: Solve for x
    x = 2,151,921,659.03/53,190.20
  6. Step 6: Final answer
    x = 40,457.11

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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.