Home / 124,631.39-171,990.44-68,042.77

Finding the Fourth Proportional to 124,631.39, 171,990.44 and 68,042.77

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Solution

The fourth proportional to 124,631.39, 171,990.44 and 68,042.77 is: 93,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,631.39 : 171,990.44 = 68,042.77 : x
  2. Step 2: Convert to fraction form
    124,631.39/171,990.44 = 68,042.77/x
  3. Step 3: Cross multiply
    124,631.39x = 171,990.44 × 68,042.77
  4. Step 4: Simplify right side
    124,631.39x = 11,702,705,818.83
  5. Step 5: Solve for x
    x = 11,702,705,818.83/124,631.39
  6. Step 6: Final answer
    x = 93,898.54

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1.5x scale

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.