Home / 67,127.28-92,649.06-51,183.24

Finding the Fourth Proportional to 67,127.28, 92,649.06 and 51,183.24

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Solution

The fourth proportional to 67,127.28, 92,649.06 and 51,183.24 is: 70,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,127.28 : 92,649.06 = 51,183.24 : x
  2. Step 2: Convert to fraction form
    67,127.28/92,649.06 = 51,183.24/x
  3. Step 3: Cross multiply
    67,127.28x = 92,649.06 × 51,183.24
  4. Step 4: Simplify right side
    67,127.28x = 4,742,079,073.75
  5. Step 5: Solve for x
    x = 4,742,079,073.75/67,127.28
  6. Step 6: Final answer
    x = 70,643.10

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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.