Home / 72,945.41-100,658.63-41,122.13

Finding the Fourth Proportional to 72,945.41, 100,658.63 and 41,122.13

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Solution

The fourth proportional to 72,945.41, 100,658.63 and 41,122.13 is: 56,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,945.41 : 100,658.63 = 41,122.13 : x
  2. Step 2: Convert to fraction form
    72,945.41/100,658.63 = 41,122.13/x
  3. Step 3: Cross multiply
    72,945.41x = 100,658.63 × 41,122.13
  4. Step 4: Simplify right side
    72,945.41x = 4,139,296,867.99
  5. Step 5: Solve for x
    x = 4,139,296,867.99/72,945.41
  6. Step 6: Final answer
    x = 56,745.14

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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.