Home / 66,090.72-99,168.48-31,033.44

Finding the Fourth Proportional to 66,090.72, 99,168.48 and 31,033.44

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Solution

The fourth proportional to 66,090.72, 99,168.48 and 31,033.44 is: 46,565.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,090.72 : 99,168.48 = 31,033.44 : x
  2. Step 2: Convert to fraction form
    66,090.72/99,168.48 = 31,033.44/x
  3. Step 3: Cross multiply
    66,090.72x = 99,168.48 × 31,033.44
  4. Step 4: Simplify right side
    66,090.72x = 3,077,539,073.97
  5. Step 5: Solve for x
    x = 3,077,539,073.97/66,090.72
  6. Step 6: Final answer
    x = 46,565.37

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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.