Home / 85,862.78-118,494.66-53,616.48

Finding the Fourth Proportional to 85,862.78, 118,494.66 and 53,616.48

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Solution

The fourth proportional to 85,862.78, 118,494.66 and 53,616.48 is: 73,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,862.78 : 118,494.66 = 53,616.48 : x
  2. Step 2: Convert to fraction form
    85,862.78/118,494.66 = 53,616.48/x
  3. Step 3: Cross multiply
    85,862.78x = 118,494.66 × 53,616.48
  4. Step 4: Simplify right side
    85,862.78x = 6,353,266,568.00
  5. Step 5: Solve for x
    x = 6,353,266,568.00/85,862.78
  6. Step 6: Final answer
    x = 73,993.25

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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.