Home / 79,177.11-118,776.60-26,601.63

Finding the Fourth Proportional to 79,177.11, 118,776.60 and 26,601.63

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Solution

The fourth proportional to 79,177.11, 118,776.60 and 26,601.63 is: 39,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,177.11 : 118,776.60 = 26,601.63 : x
  2. Step 2: Convert to fraction form
    79,177.11/118,776.60 = 26,601.63/x
  3. Step 3: Cross multiply
    79,177.11x = 118,776.60 × 26,601.63
  4. Step 4: Simplify right side
    79,177.11x = 3,159,651,165.86
  5. Step 5: Solve for x
    x = 3,159,651,165.86/79,177.11
  6. Step 6: Final answer
    x = 39,906.12

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1.5x scale

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.