Home / 99,356.45-137,114.24-54,037.35

Finding the Fourth Proportional to 99,356.45, 137,114.24 and 54,037.35

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Solution

The fourth proportional to 99,356.45, 137,114.24 and 54,037.35 is: 74,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,356.45 : 137,114.24 = 54,037.35 : x
  2. Step 2: Convert to fraction form
    99,356.45/137,114.24 = 54,037.35/x
  3. Step 3: Cross multiply
    99,356.45x = 137,114.24 × 54,037.35
  4. Step 4: Simplify right side
    99,356.45x = 7,409,289,906.68
  5. Step 5: Solve for x
    x = 7,409,289,906.68/99,356.45
  6. Step 6: Final answer
    x = 74,572.82

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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.