Home / 66,257.92-91,435.18-49,337.84

Finding the Fourth Proportional to 66,257.92, 91,435.18 and 49,337.84

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Solution

The fourth proportional to 66,257.92, 91,435.18 and 49,337.84 is: 68,085.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,257.92 : 91,435.18 = 49,337.84 : x
  2. Step 2: Convert to fraction form
    66,257.92/91,435.18 = 49,337.84/x
  3. Step 3: Cross multiply
    66,257.92x = 91,435.18 × 49,337.84
  4. Step 4: Simplify right side
    66,257.92x = 4,511,214,281.21
  5. Step 5: Solve for x
    x = 4,511,214,281.21/66,257.92
  6. Step 6: Final answer
    x = 68,085.66

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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.