Home / 71,054.27-98,054.66-39,222.93

Finding the Fourth Proportional to 71,054.27, 98,054.66 and 39,222.93

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Solution

The fourth proportional to 71,054.27, 98,054.66 and 39,222.93 is: 54,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,054.27 : 98,054.66 = 39,222.93 : x
  2. Step 2: Convert to fraction form
    71,054.27/98,054.66 = 39,222.93/x
  3. Step 3: Cross multiply
    71,054.27x = 98,054.66 × 39,222.93
  4. Step 4: Simplify right side
    71,054.27x = 3,845,990,869.24
  5. Step 5: Solve for x
    x = 3,845,990,869.24/71,054.27
  6. Step 6: Final answer
    x = 54,127.52

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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.