Home / 66,022.78-99,033.01-60,880.20

Finding the Fourth Proportional to 66,022.78, 99,033.01 and 60,880.20

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Solution

The fourth proportional to 66,022.78, 99,033.01 and 60,880.20 is: 91,319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,022.78 : 99,033.01 = 60,880.20 : x
  2. Step 2: Convert to fraction form
    66,022.78/99,033.01 = 60,880.20/x
  3. Step 3: Cross multiply
    66,022.78x = 99,033.01 × 60,880.20
  4. Step 4: Simplify right side
    66,022.78x = 6,029,149,455.40
  5. Step 5: Solve for x
    x = 6,029,149,455.40/66,022.78
  6. Step 6: Final answer
    x = 91,319.23

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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.