Home / 71,860.07-98,448.77-69,166.53

Finding the Fourth Proportional to 71,860.07, 98,448.77 and 69,166.53

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Solution

The fourth proportional to 71,860.07, 98,448.77 and 69,166.53 is: 94,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,860.07 : 98,448.77 = 69,166.53 : x
  2. Step 2: Convert to fraction form
    71,860.07/98,448.77 = 69,166.53/x
  3. Step 3: Cross multiply
    71,860.07x = 98,448.77 × 69,166.53
  4. Step 4: Simplify right side
    71,860.07x = 6,809,359,976.58
  5. Step 5: Solve for x
    x = 6,809,359,976.58/71,860.07
  6. Step 6: Final answer
    x = 94,758.60

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.