Home / 66,753.64-92,143.02-38,470.60

Finding the Fourth Proportional to 66,753.64, 92,143.02 and 38,470.60

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Solution

The fourth proportional to 66,753.64, 92,143.02 and 38,470.60 is: 53,102.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,753.64 : 92,143.02 = 38,470.60 : x
  2. Step 2: Convert to fraction form
    66,753.64/92,143.02 = 38,470.60/x
  3. Step 3: Cross multiply
    66,753.64x = 92,143.02 × 38,470.60
  4. Step 4: Simplify right side
    66,753.64x = 3,544,797,265.21
  5. Step 5: Solve for x
    x = 3,544,797,265.21/66,753.64
  6. Step 6: Final answer
    x = 53,102.68

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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.