Home / 124,620.73-186,974.83-77,818.93

Finding the Fourth Proportional to 124,620.73, 186,974.83 and 77,818.93

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Solution

The fourth proportional to 124,620.73, 186,974.83 and 77,818.93 is: 116,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,620.73 : 186,974.83 = 77,818.93 : x
  2. Step 2: Convert to fraction form
    124,620.73/186,974.83 = 77,818.93/x
  3. Step 3: Cross multiply
    124,620.73x = 186,974.83 × 77,818.93
  4. Step 4: Simplify right side
    124,620.73x = 14,550,180,837.37
  5. Step 5: Solve for x
    x = 14,550,180,837.37/124,620.73
  6. Step 6: Final answer
    x = 116,755.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.