Home / 66,200.28-99,274.23-52,187.28

Finding the Fourth Proportional to 66,200.28, 99,274.23 and 52,187.28

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Solution

The fourth proportional to 66,200.28, 99,274.23 and 52,187.28 is: 78,260.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,200.28 : 99,274.23 = 52,187.28 : x
  2. Step 2: Convert to fraction form
    66,200.28/99,274.23 = 52,187.28/x
  3. Step 3: Cross multiply
    66,200.28x = 99,274.23 × 52,187.28
  4. Step 4: Simplify right side
    66,200.28x = 5,180,852,037.79
  5. Step 5: Solve for x
    x = 5,180,852,037.79/66,200.28
  6. Step 6: Final answer
    x = 78,260.27

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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.