Home / 53,020.89-73,170.23-29,148.17

Finding the Fourth Proportional to 53,020.89, 73,170.23 and 29,148.17

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Solution

The fourth proportional to 53,020.89, 73,170.23 and 29,148.17 is: 40,225.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,020.89 : 73,170.23 = 29,148.17 : x
  2. Step 2: Convert to fraction form
    53,020.89/73,170.23 = 29,148.17/x
  3. Step 3: Cross multiply
    53,020.89x = 73,170.23 × 29,148.17
  4. Step 4: Simplify right side
    53,020.89x = 2,132,777,791.39
  5. Step 5: Solve for x
    x = 2,132,777,791.39/53,020.89
  6. Step 6: Final answer
    x = 40,225.24

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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.