Home / 88,120.74-121,603.32-47,833.62

Finding the Fourth Proportional to 88,120.74, 121,603.32 and 47,833.62

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Solution

The fourth proportional to 88,120.74, 121,603.32 and 47,833.62 is: 66,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,120.74 : 121,603.32 = 47,833.62 : x
  2. Step 2: Convert to fraction form
    88,120.74/121,603.32 = 47,833.62/x
  3. Step 3: Cross multiply
    88,120.74x = 121,603.32 × 47,833.62
  4. Step 4: Simplify right side
    88,120.74x = 5,816,726,999.62
  5. Step 5: Solve for x
    x = 5,816,726,999.62/88,120.74
  6. Step 6: Final answer
    x = 66,008.60

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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.