Home / 66,780.36-100,154.14-22,406.13

Finding the Fourth Proportional to 66,780.36, 100,154.14 and 22,406.13

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Solution

The fourth proportional to 66,780.36, 100,154.14 and 22,406.13 is: 33,603.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,780.36 : 100,154.14 = 22,406.13 : x
  2. Step 2: Convert to fraction form
    66,780.36/100,154.14 = 22,406.13/x
  3. Step 3: Cross multiply
    66,780.36x = 100,154.14 × 22,406.13
  4. Step 4: Simplify right side
    66,780.36x = 2,244,066,624.86
  5. Step 5: Solve for x
    x = 2,244,066,624.86/66,780.36
  6. Step 6: Final answer
    x = 33,603.69

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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.