Home / 71,971.95-99,289.17-41,739.75

Finding the Fourth Proportional to 71,971.95, 99,289.17 and 41,739.75

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Solution

The fourth proportional to 71,971.95, 99,289.17 and 41,739.75 is: 57,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,971.95 : 99,289.17 = 41,739.75 : x
  2. Step 2: Convert to fraction form
    71,971.95/99,289.17 = 41,739.75/x
  3. Step 3: Cross multiply
    71,971.95x = 99,289.17 × 41,739.75
  4. Step 4: Simplify right side
    71,971.95x = 4,144,305,133.51
  5. Step 5: Solve for x
    x = 4,144,305,133.51/71,971.95
  6. Step 6: Final answer
    x = 57,582.23

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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.