Home / 119,542.83-164,962.56-65,817.66

Finding the Fourth Proportional to 119,542.83, 164,962.56 and 65,817.66

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Solution

The fourth proportional to 119,542.83, 164,962.56 and 65,817.66 is: 90,824.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,542.83 : 164,962.56 = 65,817.66 : x
  2. Step 2: Convert to fraction form
    119,542.83/164,962.56 = 65,817.66/x
  3. Step 3: Cross multiply
    119,542.83x = 164,962.56 × 65,817.66
  4. Step 4: Simplify right side
    119,542.83x = 10,857,449,686.81
  5. Step 5: Solve for x
    x = 10,857,449,686.81/119,542.83
  6. Step 6: Final answer
    x = 90,824.77

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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.