Home / 71,054.47-98,053.32-39,222.70

Finding the Fourth Proportional to 71,054.47, 98,053.32 and 39,222.70

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Solution

The fourth proportional to 71,054.47, 98,053.32 and 39,222.70 is: 54,126.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,054.47 : 98,053.32 = 39,222.70 : x
  2. Step 2: Convert to fraction form
    71,054.47/98,053.32 = 39,222.70/x
  3. Step 3: Cross multiply
    71,054.47x = 98,053.32 × 39,222.70
  4. Step 4: Simplify right side
    71,054.47x = 3,845,915,954.36
  5. Step 5: Solve for x
    x = 3,845,915,954.36/71,054.47
  6. Step 6: Final answer
    x = 54,126.31

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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.