Home / 73,640.48-101,624.40-40,105.76

Finding the Fourth Proportional to 73,640.48, 101,624.40 and 40,105.76

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Solution

The fourth proportional to 73,640.48, 101,624.40 and 40,105.76 is: 55,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,640.48 : 101,624.40 = 40,105.76 : x
  2. Step 2: Convert to fraction form
    73,640.48/101,624.40 = 40,105.76/x
  3. Step 3: Cross multiply
    73,640.48x = 101,624.40 × 40,105.76
  4. Step 4: Simplify right side
    73,640.48x = 4,075,723,796.54
  5. Step 5: Solve for x
    x = 4,075,723,796.54/73,640.48
  6. Step 6: Final answer
    x = 55,346.24

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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.