Home / 53,189.85-73,401.63-29,316.54

Finding the Fourth Proportional to 53,189.85, 73,401.63 and 29,316.54

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Solution

The fourth proportional to 53,189.85, 73,401.63 and 29,316.54 is: 40,456.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,189.85 : 73,401.63 = 29,316.54 : x
  2. Step 2: Convert to fraction form
    53,189.85/73,401.63 = 29,316.54/x
  3. Step 3: Cross multiply
    53,189.85x = 73,401.63 × 29,316.54
  4. Step 4: Simplify right side
    53,189.85x = 2,151,881,821.96
  5. Step 5: Solve for x
    x = 2,151,881,821.96/53,189.85
  6. Step 6: Final answer
    x = 40,456.63

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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.