Home / 78,195.48-117,275.22-46,614.45

Finding the Fourth Proportional to 78,195.48, 117,275.22 and 46,614.45

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Solution

The fourth proportional to 78,195.48, 117,275.22 and 46,614.45 is: 69,910.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,195.48 : 117,275.22 = 46,614.45 : x
  2. Step 2: Convert to fraction form
    78,195.48/117,275.22 = 46,614.45/x
  3. Step 3: Cross multiply
    78,195.48x = 117,275.22 × 46,614.45
  4. Step 4: Simplify right side
    78,195.48x = 5,466,719,878.93
  5. Step 5: Solve for x
    x = 5,466,719,878.93/78,195.48
  6. Step 6: Final answer
    x = 69,910.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.