Home / 126,566.76-174,706.07-72,873.17

Finding the Fourth Proportional to 126,566.76, 174,706.07 and 72,873.17

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Solution

The fourth proportional to 126,566.76, 174,706.07 and 72,873.17 is: 100,590.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,566.76 : 174,706.07 = 72,873.17 : x
  2. Step 2: Convert to fraction form
    126,566.76/174,706.07 = 72,873.17/x
  3. Step 3: Cross multiply
    126,566.76x = 174,706.07 × 72,873.17
  4. Step 4: Simplify right side
    126,566.76x = 12,731,383,901.25
  5. Step 5: Solve for x
    x = 12,731,383,901.25/126,566.76
  6. Step 6: Final answer
    x = 100,590.26

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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.