Home / 118,794.18-163,935.94-71,047.53

Finding the Fourth Proportional to 118,794.18, 163,935.94 and 71,047.53

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Solution

The fourth proportional to 118,794.18, 163,935.94 and 71,047.53 is: 98,045.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,794.18 : 163,935.94 = 71,047.53 : x
  2. Step 2: Convert to fraction form
    118,794.18/163,935.94 = 71,047.53/x
  3. Step 3: Cross multiply
    118,794.18x = 163,935.94 × 71,047.53
  4. Step 4: Simplify right side
    118,794.18x = 11,647,243,615.23
  5. Step 5: Solve for x
    x = 11,647,243,615.23/118,794.18
  6. Step 6: Final answer
    x = 98,045.57

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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.