Home / 66,400.70-99,632.14-33,123.34

Finding the Fourth Proportional to 66,400.70, 99,632.14 and 33,123.34

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Solution

The fourth proportional to 66,400.70, 99,632.14 and 33,123.34 is: 49,700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,400.70 : 99,632.14 = 33,123.34 : x
  2. Step 2: Convert to fraction form
    66,400.70/99,632.14 = 33,123.34/x
  3. Step 3: Cross multiply
    66,400.70x = 99,632.14 × 33,123.34
  4. Step 4: Simplify right side
    66,400.70x = 3,300,149,248.15
  5. Step 5: Solve for x
    x = 3,300,149,248.15/66,400.70
  6. Step 6: Final answer
    x = 49,700.52

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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.