Home / 66,412.60-99,327.30-50,666.20

Finding the Fourth Proportional to 66,412.60, 99,327.30 and 50,666.20

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Solution

The fourth proportional to 66,412.60, 99,327.30 and 50,666.20 is: 75,776.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,412.60 : 99,327.30 = 50,666.20 : x
  2. Step 2: Convert to fraction form
    66,412.60/99,327.30 = 50,666.20/x
  3. Step 3: Cross multiply
    66,412.60x = 99,327.30 × 50,666.20
  4. Step 4: Simplify right side
    66,412.60x = 5,032,536,847.26
  5. Step 5: Solve for x
    x = 5,032,536,847.26/66,412.60
  6. Step 6: Final answer
    x = 75,776.84

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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.