Home / 99,473.72-137,269.51-54,150.75

Finding the Fourth Proportional to 99,473.72, 137,269.51 and 54,150.75

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Solution

The fourth proportional to 99,473.72, 137,269.51 and 54,150.75 is: 74,725.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,473.72 : 137,269.51 = 54,150.75 : x
  2. Step 2: Convert to fraction form
    99,473.72/137,269.51 = 54,150.75/x
  3. Step 3: Cross multiply
    99,473.72x = 137,269.51 × 54,150.75
  4. Step 4: Simplify right side
    99,473.72x = 7,433,246,783.26
  5. Step 5: Solve for x
    x = 7,433,246,783.26/99,473.72
  6. Step 6: Final answer
    x = 74,725.74

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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.