Home / 94,403.72-141,629.34-77,564.90

Finding the Fourth Proportional to 94,403.72, 141,629.34 and 77,564.90

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Solution

The fourth proportional to 94,403.72, 141,629.34 and 77,564.90 is: 116,366.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,403.72 : 141,629.34 = 77,564.90 : x
  2. Step 2: Convert to fraction form
    94,403.72/141,629.34 = 77,564.90/x
  3. Step 3: Cross multiply
    94,403.72x = 141,629.34 × 77,564.90
  4. Step 4: Simplify right side
    94,403.72x = 10,985,465,594.17
  5. Step 5: Solve for x
    x = 10,985,465,594.17/94,403.72
  6. Step 6: Final answer
    x = 116,366.87

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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.