Home / 66,594.72-99,901.44-21,600.84

Finding the Fourth Proportional to 66,594.72, 99,901.44 and 21,600.84

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Solution

The fourth proportional to 66,594.72, 99,901.44 and 21,600.84 is: 32,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,594.72 : 99,901.44 = 21,600.84 : x
  2. Step 2: Convert to fraction form
    66,594.72/99,901.44 = 21,600.84/x
  3. Step 3: Cross multiply
    66,594.72x = 99,901.44 × 21,600.84
  4. Step 4: Simplify right side
    66,594.72x = 2,157,955,021.21
  5. Step 5: Solve for x
    x = 2,157,955,021.21/66,594.72
  6. Step 6: Final answer
    x = 32,404.30

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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.