Home / 67,099.21-92,597.10-38,419.31

Finding the Fourth Proportional to 67,099.21, 92,597.10 and 38,419.31

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Solution

The fourth proportional to 67,099.21, 92,597.10 and 38,419.31 is: 53,018.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,099.21 : 92,597.10 = 38,419.31 : x
  2. Step 2: Convert to fraction form
    67,099.21/92,597.10 = 38,419.31/x
  3. Step 3: Cross multiply
    67,099.21x = 92,597.10 × 38,419.31
  4. Step 4: Simplify right side
    67,099.21x = 3,557,516,497.90
  5. Step 5: Solve for x
    x = 3,557,516,497.90/67,099.21
  6. Step 6: Final answer
    x = 53,018.76

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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.