Home / 117,983.16-162,831.06-67,011.84

Finding the Fourth Proportional to 117,983.16, 162,831.06 and 67,011.84

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Solution

The fourth proportional to 117,983.16, 162,831.06 and 67,011.84 is: 92,484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,983.16 : 162,831.06 = 67,011.84 : x
  2. Step 2: Convert to fraction form
    117,983.16/162,831.06 = 67,011.84/x
  3. Step 3: Cross multiply
    117,983.16x = 162,831.06 × 67,011.84
  4. Step 4: Simplify right side
    117,983.16x = 10,911,608,939.75
  5. Step 5: Solve for x
    x = 10,911,608,939.75/117,983.16
  6. Step 6: Final answer
    x = 92,484.46

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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.