Home / 66,439.40-99,464.70-44,277.80

Finding the Fourth Proportional to 66,439.40, 99,464.70 and 44,277.80

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Solution

The fourth proportional to 66,439.40, 99,464.70 and 44,277.80 is: 66,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,439.40 : 99,464.70 = 44,277.80 : x
  2. Step 2: Convert to fraction form
    66,439.40/99,464.70 = 44,277.80/x
  3. Step 3: Cross multiply
    66,439.40x = 99,464.70 × 44,277.80
  4. Step 4: Simplify right side
    66,439.40x = 4,404,078,093.66
  5. Step 5: Solve for x
    x = 4,404,078,093.66/66,439.40
  6. Step 6: Final answer
    x = 66,287.14

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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.