Home / 88,147.14-121,645.67-47,863.52

Finding the Fourth Proportional to 88,147.14, 121,645.67 and 47,863.52

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Solution

The fourth proportional to 88,147.14, 121,645.67 and 47,863.52 is: 66,053.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,147.14 : 121,645.67 = 47,863.52 : x
  2. Step 2: Convert to fraction form
    88,147.14/121,645.67 = 47,863.52/x
  3. Step 3: Cross multiply
    88,147.14x = 121,645.67 × 47,863.52
  4. Step 4: Simplify right side
    88,147.14x = 5,822,389,111.41
  5. Step 5: Solve for x
    x = 5,822,389,111.41/88,147.14
  6. Step 6: Final answer
    x = 66,053.07

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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.