Home / 53,190.15-73,401.44-29,316.21

Finding the Fourth Proportional to 53,190.15, 73,401.44 and 29,316.21

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Solution

The fourth proportional to 53,190.15, 73,401.44 and 29,316.21 is: 40,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,190.15 : 73,401.44 = 29,316.21 : x
  2. Step 2: Convert to fraction form
    53,190.15/73,401.44 = 29,316.21/x
  3. Step 3: Cross multiply
    53,190.15x = 73,401.44 × 29,316.21
  4. Step 4: Simplify right side
    53,190.15x = 2,151,851,882.76
  5. Step 5: Solve for x
    x = 2,151,851,882.76/53,190.15
  6. Step 6: Final answer
    x = 40,455.83

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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.