Home / 66,771.27-92,144.10-38,090.88

Finding the Fourth Proportional to 66,771.27, 92,144.10 and 38,090.88

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Solution

The fourth proportional to 66,771.27, 92,144.10 and 38,090.88 is: 52,565.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,771.27 : 92,144.10 = 38,090.88 : x
  2. Step 2: Convert to fraction form
    66,771.27/92,144.10 = 38,090.88/x
  3. Step 3: Cross multiply
    66,771.27x = 92,144.10 × 38,090.88
  4. Step 4: Simplify right side
    66,771.27x = 3,509,849,204.63
  5. Step 5: Solve for x
    x = 3,509,849,204.63/66,771.27
  6. Step 6: Final answer
    x = 52,565.26

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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.