Home / 99,474.57-137,277.90-54,155.52

Finding the Fourth Proportional to 99,474.57, 137,277.90 and 54,155.52

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Solution

The fourth proportional to 99,474.57, 137,277.90 and 54,155.52 is: 74,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,474.57 : 137,277.90 = 54,155.52 : x
  2. Step 2: Convert to fraction form
    99,474.57/137,277.90 = 54,155.52/x
  3. Step 3: Cross multiply
    99,474.57x = 137,277.90 × 54,155.52
  4. Step 4: Simplify right side
    99,474.57x = 7,434,356,059.01
  5. Step 5: Solve for x
    x = 7,434,356,059.01/99,474.57
  6. Step 6: Final answer
    x = 74,736.25

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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.