Home / 118,057.86-177,139.26-61,884.72

Finding the Fourth Proportional to 118,057.86, 177,139.26 and 61,884.72

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Solution

The fourth proportional to 118,057.86, 177,139.26 and 61,884.72 is: 92,854.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,057.86 : 177,139.26 = 61,884.72 : x
  2. Step 2: Convert to fraction form
    118,057.86/177,139.26 = 61,884.72/x
  3. Step 3: Cross multiply
    118,057.86x = 177,139.26 × 61,884.72
  4. Step 4: Simplify right side
    118,057.86x = 10,962,213,506.11
  5. Step 5: Solve for x
    x = 10,962,213,506.11/118,057.86
  6. Step 6: Final answer
    x = 92,854.58

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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.