Home / 88,160.70-121,662-47,875.14

Finding the Fourth Proportional to 88,160.70, 121,662 and 47,875.14

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Solution

The fourth proportional to 88,160.70, 121,662 and 47,875.14 is: 66,067.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,160.70 : 121,662 = 47,875.14 : x
  2. Step 2: Convert to fraction form
    88,160.70/121,662 = 47,875.14/x
  3. Step 3: Cross multiply
    88,160.70x = 121,662 × 47,875.14
  4. Step 4: Simplify right side
    88,160.70x = 5,824,585,282.68
  5. Step 5: Solve for x
    x = 5,824,585,282.68/88,160.70
  6. Step 6: Final answer
    x = 66,067.82

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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.