Home / 69,831.66-96,366.12-38,000.64

Finding the Fourth Proportional to 69,831.66, 96,366.12 and 38,000.64

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Solution

The fourth proportional to 69,831.66, 96,366.12 and 38,000.64 is: 52,440.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,831.66 : 96,366.12 = 38,000.64 : x
  2. Step 2: Convert to fraction form
    69,831.66/96,366.12 = 38,000.64/x
  3. Step 3: Cross multiply
    69,831.66x = 96,366.12 × 38,000.64
  4. Step 4: Simplify right side
    69,831.66x = 3,661,974,234.32
  5. Step 5: Solve for x
    x = 3,661,974,234.32/69,831.66
  6. Step 6: Final answer
    x = 52,440.03

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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.