Home / 73,721.48-101,738.52-40,187.48

Finding the Fourth Proportional to 73,721.48, 101,738.52 and 40,187.48

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Solution

The fourth proportional to 73,721.48, 101,738.52 and 40,187.48 is: 55,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,721.48 : 101,738.52 = 40,187.48 : x
  2. Step 2: Convert to fraction form
    73,721.48/101,738.52 = 40,187.48/x
  3. Step 3: Cross multiply
    73,721.48x = 101,738.52 × 40,187.48
  4. Step 4: Simplify right side
    73,721.48x = 4,088,614,737.73
  5. Step 5: Solve for x
    x = 4,088,614,737.73/73,721.48
  6. Step 6: Final answer
    x = 55,460.29

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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.