Home / 77,079.60-106,387.62-50,175.25

Finding the Fourth Proportional to 77,079.60, 106,387.62 and 50,175.25

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Solution

The fourth proportional to 77,079.60, 106,387.62 and 50,175.25 is: 69,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,079.60 : 106,387.62 = 50,175.25 : x
  2. Step 2: Convert to fraction form
    77,079.60/106,387.62 = 50,175.25/x
  3. Step 3: Cross multiply
    77,079.60x = 106,387.62 × 50,175.25
  4. Step 4: Simplify right side
    77,079.60x = 5,338,025,430.41
  5. Step 5: Solve for x
    x = 5,338,025,430.41/77,079.60
  6. Step 6: Final answer
    x = 69,253.41

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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.