Home / 66,380.02-91,542.90-48,446.62

Finding the Fourth Proportional to 66,380.02, 91,542.90 and 48,446.62

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Solution

The fourth proportional to 66,380.02, 91,542.90 and 48,446.62 is: 66,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,380.02 : 91,542.90 = 48,446.62 : x
  2. Step 2: Convert to fraction form
    66,380.02/91,542.90 = 48,446.62/x
  3. Step 3: Cross multiply
    66,380.02x = 91,542.90 × 48,446.62
  4. Step 4: Simplify right side
    66,380.02x = 4,434,944,090.00
  5. Step 5: Solve for x
    x = 4,434,944,090.00/66,380.02
  6. Step 6: Final answer
    x = 66,811.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.