Home / 72,029.19-99,394.82-41,809.63

Finding the Fourth Proportional to 72,029.19, 99,394.82 and 41,809.63

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Solution

The fourth proportional to 72,029.19, 99,394.82 and 41,809.63 is: 57,694.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,029.19 : 99,394.82 = 41,809.63 : x
  2. Step 2: Convert to fraction form
    72,029.19/99,394.82 = 41,809.63/x
  3. Step 3: Cross multiply
    72,029.19x = 99,394.82 × 41,809.63
  4. Step 4: Simplify right side
    72,029.19x = 4,155,660,791.10
  5. Step 5: Solve for x
    x = 4,155,660,791.10/72,029.19
  6. Step 6: Final answer
    x = 57,694.12

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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.