Home / 100,794.76-139,088.66-58,356.02

Finding the Fourth Proportional to 100,794.76, 139,088.66 and 58,356.02

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Solution

The fourth proportional to 100,794.76, 139,088.66 and 58,356.02 is: 80,526.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,794.76 : 139,088.66 = 58,356.02 : x
  2. Step 2: Convert to fraction form
    100,794.76/139,088.66 = 58,356.02/x
  3. Step 3: Cross multiply
    100,794.76x = 139,088.66 × 58,356.02
  4. Step 4: Simplify right side
    100,794.76x = 8,116,660,624.73
  5. Step 5: Solve for x
    x = 8,116,660,624.73/100,794.76
  6. Step 6: Final answer
    x = 80,526.61

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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.