Home / 67,261.28-92,831.46-38,983.36

Finding the Fourth Proportional to 67,261.28, 92,831.46 and 38,983.36

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Solution

The fourth proportional to 67,261.28, 92,831.46 and 38,983.36 is: 53,803.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,261.28 : 92,831.46 = 38,983.36 : x
  2. Step 2: Convert to fraction form
    67,261.28/92,831.46 = 38,983.36/x
  3. Step 3: Cross multiply
    67,261.28x = 92,831.46 × 38,983.36
  4. Step 4: Simplify right side
    67,261.28x = 3,618,882,224.51
  5. Step 5: Solve for x
    x = 3,618,882,224.51/67,261.28
  6. Step 6: Final answer
    x = 53,803.35

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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.