Home / 124,622.73-186,977.83-77,820.93

Finding the Fourth Proportional to 124,622.73, 186,977.83 and 77,820.93

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Solution

The fourth proportional to 124,622.73, 186,977.83 and 77,820.93 is: 116,758.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,622.73 : 186,977.83 = 77,820.93 : x
  2. Step 2: Convert to fraction form
    124,622.73/186,977.83 = 77,820.93/x
  3. Step 3: Cross multiply
    124,622.73x = 186,977.83 × 77,820.93
  4. Step 4: Simplify right side
    124,622.73x = 14,550,788,619.98
  5. Step 5: Solve for x
    x = 14,550,788,619.98/124,622.73
  6. Step 6: Final answer
    x = 116,758.71

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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.