Home / 67,021.02-92,500.38-38,743.92

Finding the Fourth Proportional to 67,021.02, 92,500.38 and 38,743.92

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Solution

The fourth proportional to 67,021.02, 92,500.38 and 38,743.92 is: 53,473.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,021.02 : 92,500.38 = 38,743.92 : x
  2. Step 2: Convert to fraction form
    67,021.02/92,500.38 = 38,743.92/x
  3. Step 3: Cross multiply
    67,021.02x = 92,500.38 × 38,743.92
  4. Step 4: Simplify right side
    67,021.02x = 3,583,827,322.69
  5. Step 5: Solve for x
    x = 3,583,827,322.69/67,021.02
  6. Step 6: Final answer
    x = 53,473.18

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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.