Home / 99,566.39-137,400.86-54,244.23

Finding the Fourth Proportional to 99,566.39, 137,400.86 and 54,244.23

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Solution

The fourth proportional to 99,566.39, 137,400.86 and 54,244.23 is: 74,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,566.39 : 137,400.86 = 54,244.23 : x
  2. Step 2: Convert to fraction form
    99,566.39/137,400.86 = 54,244.23/x
  3. Step 3: Cross multiply
    99,566.39x = 137,400.86 × 54,244.23
  4. Step 4: Simplify right side
    99,566.39x = 7,453,203,940.15
  5. Step 5: Solve for x
    x = 7,453,203,940.15/99,566.39
  6. Step 6: Final answer
    x = 74,856.63

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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.