Home / 71,476.07-98,637.03-39,645.19

Finding the Fourth Proportional to 71,476.07, 98,637.03 and 39,645.19

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Solution

The fourth proportional to 71,476.07, 98,637.03 and 39,645.19 is: 54,710.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,476.07 : 98,637.03 = 39,645.19 : x
  2. Step 2: Convert to fraction form
    71,476.07/98,637.03 = 39,645.19/x
  3. Step 3: Cross multiply
    71,476.07x = 98,637.03 × 39,645.19
  4. Step 4: Simplify right side
    71,476.07x = 3,910,483,795.39
  5. Step 5: Solve for x
    x = 3,910,483,795.39/71,476.07
  6. Step 6: Final answer
    x = 54,710.39

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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.