Home / 117,874.93-162,555.55-90,974.83

Finding the Fourth Proportional to 117,874.93, 162,555.55 and 90,974.83

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Solution

The fourth proportional to 117,874.93, 162,555.55 and 90,974.83 is: 125,458.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,874.93 : 162,555.55 = 90,974.83 : x
  2. Step 2: Convert to fraction form
    117,874.93/162,555.55 = 90,974.83/x
  3. Step 3: Cross multiply
    117,874.93x = 162,555.55 × 90,974.83
  4. Step 4: Simplify right side
    117,874.93x = 14,788,463,526.81
  5. Step 5: Solve for x
    x = 14,788,463,526.81/117,874.93
  6. Step 6: Final answer
    x = 125,458.94

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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.