Home / 124,566.76-171,905.78-67,981.80

Finding the Fourth Proportional to 124,566.76, 171,905.78 and 67,981.80

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Solution

The fourth proportional to 124,566.76, 171,905.78 and 67,981.80 is: 93,816.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,566.76 : 171,905.78 = 67,981.80 : x
  2. Step 2: Convert to fraction form
    124,566.76/171,905.78 = 67,981.80/x
  3. Step 3: Cross multiply
    124,566.76x = 171,905.78 × 67,981.80
  4. Step 4: Simplify right side
    124,566.76x = 11,686,464,354.80
  5. Step 5: Solve for x
    x = 11,686,464,354.80/124,566.76
  6. Step 6: Final answer
    x = 93,816.88

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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.