Home / 85,757.09-118,304.92-55,552.59

Finding the Fourth Proportional to 85,757.09, 118,304.92 and 55,552.59

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Solution

The fourth proportional to 85,757.09, 118,304.92 and 55,552.59 is: 76,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,757.09 : 118,304.92 = 55,552.59 : x
  2. Step 2: Convert to fraction form
    85,757.09/118,304.92 = 55,552.59/x
  3. Step 3: Cross multiply
    85,757.09x = 118,304.92 × 55,552.59
  4. Step 4: Simplify right side
    85,757.09x = 6,572,144,785.18
  5. Step 5: Solve for x
    x = 6,572,144,785.18/85,757.09
  6. Step 6: Final answer
    x = 76,636.76

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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.