Home / 66,976.02-100,461.15-20,227.50

Finding the Fourth Proportional to 66,976.02, 100,461.15 and 20,227.50

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Solution

The fourth proportional to 66,976.02, 100,461.15 and 20,227.50 is: 30,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,976.02 : 100,461.15 = 20,227.50 : x
  2. Step 2: Convert to fraction form
    66,976.02/100,461.15 = 20,227.50/x
  3. Step 3: Cross multiply
    66,976.02x = 100,461.15 × 20,227.50
  4. Step 4: Simplify right side
    66,976.02x = 2,032,077,911.63
  5. Step 5: Solve for x
    x = 2,032,077,911.63/66,976.02
  6. Step 6: Final answer
    x = 30,340.38

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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.