Home / 66,280.20-91,467.08-36,065.75

Finding the Fourth Proportional to 66,280.20, 91,467.08 and 36,065.75

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Solution

The fourth proportional to 66,280.20, 91,467.08 and 36,065.75 is: 49,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,280.20 : 91,467.08 = 36,065.75 : x
  2. Step 2: Convert to fraction form
    66,280.20/91,467.08 = 36,065.75/x
  3. Step 3: Cross multiply
    66,280.20x = 91,467.08 × 36,065.75
  4. Step 4: Simplify right side
    66,280.20x = 3,298,828,840.51
  5. Step 5: Solve for x
    x = 3,298,828,840.51/66,280.20
  6. Step 6: Final answer
    x = 49,770.95

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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.