Home / 53,187.38-73,400.10-29,315.58

Finding the Fourth Proportional to 53,187.38, 73,400.10 and 29,315.58

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Solution

The fourth proportional to 53,187.38, 73,400.10 and 29,315.58 is: 40,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,187.38 : 73,400.10 = 29,315.58 : x
  2. Step 2: Convert to fraction form
    53,187.38/73,400.10 = 29,315.58/x
  3. Step 3: Cross multiply
    53,187.38x = 73,400.10 × 29,315.58
  4. Step 4: Simplify right side
    53,187.38x = 2,151,766,503.56
  5. Step 5: Solve for x
    x = 2,151,766,503.56/53,187.38
  6. Step 6: Final answer
    x = 40,456.34

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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.