Home / 66,228.30-99,451.80-44,139.60

Finding the Fourth Proportional to 66,228.30, 99,451.80 and 44,139.60

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Solution

The fourth proportional to 66,228.30, 99,451.80 and 44,139.60 is: 66,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,228.30 : 99,451.80 = 44,139.60 : x
  2. Step 2: Convert to fraction form
    66,228.30/99,451.80 = 44,139.60/x
  3. Step 3: Cross multiply
    66,228.30x = 99,451.80 × 44,139.60
  4. Step 4: Simplify right side
    66,228.30x = 4,389,762,671.28
  5. Step 5: Solve for x
    x = 4,389,762,671.28/66,228.30
  6. Step 6: Final answer
    x = 66,282.28

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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.