Home / 91,558.10-137,388.18-49,437.29

Finding the Fourth Proportional to 91,558.10, 137,388.18 and 49,437.29

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Solution

The fourth proportional to 91,558.10, 137,388.18 and 49,437.29 is: 74,183.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,558.10 : 137,388.18 = 49,437.29 : x
  2. Step 2: Convert to fraction form
    91,558.10/137,388.18 = 49,437.29/x
  3. Step 3: Cross multiply
    91,558.10x = 137,388.18 × 49,437.29
  4. Step 4: Simplify right side
    91,558.10x = 6,792,099,826.09
  5. Step 5: Solve for x
    x = 6,792,099,826.09/91,558.10
  6. Step 6: Final answer
    x = 74,183.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.