Home / 72,243.25-99,703.18-41,617.40

Finding the Fourth Proportional to 72,243.25, 99,703.18 and 41,617.40

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Solution

The fourth proportional to 72,243.25, 99,703.18 and 41,617.40 is: 57,436.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,243.25 : 99,703.18 = 41,617.40 : x
  2. Step 2: Convert to fraction form
    72,243.25/99,703.18 = 41,617.40/x
  3. Step 3: Cross multiply
    72,243.25x = 99,703.18 × 41,617.40
  4. Step 4: Simplify right side
    72,243.25x = 4,149,387,123.33
  5. Step 5: Solve for x
    x = 4,149,387,123.33/72,243.25
  6. Step 6: Final answer
    x = 57,436.33

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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.