Home / 77,265.85-106,608.59-43,731.85

Finding the Fourth Proportional to 77,265.85, 106,608.59 and 43,731.85

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Solution

The fourth proportional to 77,265.85, 106,608.59 and 43,731.85 is: 60,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,265.85 : 106,608.59 = 43,731.85 : x
  2. Step 2: Convert to fraction form
    77,265.85/106,608.59 = 43,731.85/x
  3. Step 3: Cross multiply
    77,265.85x = 106,608.59 × 43,731.85
  4. Step 4: Simplify right side
    77,265.85x = 4,662,190,866.59
  5. Step 5: Solve for x
    x = 4,662,190,866.59/77,265.85
  6. Step 6: Final answer
    x = 60,339.60

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1.5x scale

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.