Home / 66,063.20-99,159.60-32,820.80

Finding the Fourth Proportional to 66,063.20, 99,159.60 and 32,820.80

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Solution

The fourth proportional to 66,063.20, 99,159.60 and 32,820.80 is: 49,263.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,063.20 : 99,159.60 = 32,820.80 : x
  2. Step 2: Convert to fraction form
    66,063.20/99,159.60 = 32,820.80/x
  3. Step 3: Cross multiply
    66,063.20x = 99,159.60 × 32,820.80
  4. Step 4: Simplify right side
    66,063.20x = 3,254,497,399.68
  5. Step 5: Solve for x
    x = 3,254,497,399.68/66,063.20
  6. Step 6: Final answer
    x = 49,263.39

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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.