Home / 114,821.15-158,444.22-63,830.78

Finding the Fourth Proportional to 114,821.15, 158,444.22 and 63,830.78

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Solution

The fourth proportional to 114,821.15, 158,444.22 and 63,830.78 is: 88,081.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,821.15 : 158,444.22 = 63,830.78 : x
  2. Step 2: Convert to fraction form
    114,821.15/158,444.22 = 63,830.78/x
  3. Step 3: Cross multiply
    114,821.15x = 158,444.22 × 63,830.78
  4. Step 4: Simplify right side
    114,821.15x = 10,113,618,355.92
  5. Step 5: Solve for x
    x = 10,113,618,355.92/114,821.15
  6. Step 6: Final answer
    x = 88,081.49

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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.