Home / 71,054.15-98,054.48-39,222.81

Finding the Fourth Proportional to 71,054.15, 98,054.48 and 39,222.81

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Solution

The fourth proportional to 71,054.15, 98,054.48 and 39,222.81 is: 54,127.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,054.15 : 98,054.48 = 39,222.81 : x
  2. Step 2: Convert to fraction form
    71,054.15/98,054.48 = 39,222.81/x
  3. Step 3: Cross multiply
    71,054.15x = 98,054.48 × 39,222.81
  4. Step 4: Simplify right side
    71,054.15x = 3,845,972,042.57
  5. Step 5: Solve for x
    x = 3,845,972,042.57/71,054.15
  6. Step 6: Final answer
    x = 54,127.34

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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.