Home / 77,675.47-107,191.12-43,683.94

Finding the Fourth Proportional to 77,675.47, 107,191.12 and 43,683.94

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Solution

The fourth proportional to 77,675.47, 107,191.12 and 43,683.94 is: 60,283.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,675.47 : 107,191.12 = 43,683.94 : x
  2. Step 2: Convert to fraction form
    77,675.47/107,191.12 = 43,683.94/x
  3. Step 3: Cross multiply
    77,675.47x = 107,191.12 × 43,683.94
  4. Step 4: Simplify right side
    77,675.47x = 4,682,530,454.61
  5. Step 5: Solve for x
    x = 4,682,530,454.61/77,675.47
  6. Step 6: Final answer
    x = 60,283.26

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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.