Home / 99,798.05-149,664.67-33,220.30

Finding the Fourth Proportional to 99,798.05, 149,664.67 and 33,220.30

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Solution

The fourth proportional to 99,798.05, 149,664.67 and 33,220.30 is: 49,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,798.05 : 149,664.67 = 33,220.30 : x
  2. Step 2: Convert to fraction form
    99,798.05/149,664.67 = 33,220.30/x
  3. Step 3: Cross multiply
    99,798.05x = 149,664.67 × 33,220.30
  4. Step 4: Simplify right side
    99,798.05x = 4,971,904,779.59
  5. Step 5: Solve for x
    x = 4,971,904,779.59/99,798.05
  6. Step 6: Final answer
    x = 49,819.66

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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.