Home / 85,935.74-118,589.52-47,693.06

Finding the Fourth Proportional to 85,935.74, 118,589.52 and 47,693.06

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Solution

The fourth proportional to 85,935.74, 118,589.52 and 47,693.06 is: 65,815.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,935.74 : 118,589.52 = 47,693.06 : x
  2. Step 2: Convert to fraction form
    85,935.74/118,589.52 = 47,693.06/x
  3. Step 3: Cross multiply
    85,935.74x = 118,589.52 × 47,693.06
  4. Step 4: Simplify right side
    85,935.74x = 5,655,896,499.78
  5. Step 5: Solve for x
    x = 5,655,896,499.78/85,935.74
  6. Step 6: Final answer
    x = 65,815.42

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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.