Home / 71,054.36-98,055.70-39,222.58

Finding the Fourth Proportional to 71,054.36, 98,055.70 and 39,222.58

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Solution

The fourth proportional to 71,054.36, 98,055.70 and 39,222.58 is: 54,127.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,054.36 : 98,055.70 = 39,222.58 : x
  2. Step 2: Convert to fraction form
    71,054.36/98,055.70 = 39,222.58/x
  3. Step 3: Cross multiply
    71,054.36x = 98,055.70 × 39,222.58
  4. Step 4: Simplify right side
    71,054.36x = 3,845,997,047.43
  5. Step 5: Solve for x
    x = 3,845,997,047.43/71,054.36
  6. Step 6: Final answer
    x = 54,127.53

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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.