Home / 72,016.11-99,400.02-43,745.49

Finding the Fourth Proportional to 72,016.11, 99,400.02 and 43,745.49

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Solution

The fourth proportional to 72,016.11, 99,400.02 and 43,745.49 is: 60,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,016.11 : 99,400.02 = 43,745.49 : x
  2. Step 2: Convert to fraction form
    72,016.11/99,400.02 = 43,745.49/x
  3. Step 3: Cross multiply
    72,016.11x = 99,400.02 × 43,745.49
  4. Step 4: Simplify right side
    72,016.11x = 4,348,302,580.91
  5. Step 5: Solve for x
    x = 4,348,302,580.91/72,016.11
  6. Step 6: Final answer
    x = 60,379.58

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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.