Home / 91,110.66-125,712.39-52,876.62

Finding the Fourth Proportional to 91,110.66, 125,712.39 and 52,876.62

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Solution

The fourth proportional to 91,110.66, 125,712.39 and 52,876.62 is: 72,957.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,110.66 : 125,712.39 = 52,876.62 : x
  2. Step 2: Convert to fraction form
    91,110.66/125,712.39 = 52,876.62/x
  3. Step 3: Cross multiply
    91,110.66x = 125,712.39 × 52,876.62
  4. Step 4: Simplify right side
    91,110.66x = 6,647,246,275.32
  5. Step 5: Solve for x
    x = 6,647,246,275.32/91,110.66
  6. Step 6: Final answer
    x = 72,957.94

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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.