Home / 88,186.92-121,698.82-47,901.06

Finding the Fourth Proportional to 88,186.92, 121,698.82 and 47,901.06

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Solution

The fourth proportional to 88,186.92, 121,698.82 and 47,901.06 is: 66,103.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,186.92 : 121,698.82 = 47,901.06 : x
  2. Step 2: Convert to fraction form
    88,186.92/121,698.82 = 47,901.06/x
  3. Step 3: Cross multiply
    88,186.92x = 121,698.82 × 47,901.06
  4. Step 4: Simplify right side
    88,186.92x = 5,829,502,478.75
  5. Step 5: Solve for x
    x = 5,829,502,478.75/88,186.92
  6. Step 6: Final answer
    x = 66,103.94

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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.