Home / 72,496.23-100,038.07-40,658.97

Finding the Fourth Proportional to 72,496.23, 100,038.07 and 40,658.97

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Solution

The fourth proportional to 72,496.23, 100,038.07 and 40,658.97 is: 56,105.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,496.23 : 100,038.07 = 40,658.97 : x
  2. Step 2: Convert to fraction form
    72,496.23/100,038.07 = 40,658.97/x
  3. Step 3: Cross multiply
    72,496.23x = 100,038.07 × 40,658.97
  4. Step 4: Simplify right side
    72,496.23x = 4,067,444,886.99
  5. Step 5: Solve for x
    x = 4,067,444,886.99/72,496.23
  6. Step 6: Final answer
    x = 56,105.61

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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.