Home / 92,631.11-127,831.05-50,189.63

Finding the Fourth Proportional to 92,631.11, 127,831.05 and 50,189.63

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Solution

The fourth proportional to 92,631.11, 127,831.05 and 50,189.63 is: 69,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,631.11 : 127,831.05 = 50,189.63 : x
  2. Step 2: Convert to fraction form
    92,631.11/127,831.05 = 50,189.63/x
  3. Step 3: Cross multiply
    92,631.11x = 127,831.05 × 50,189.63
  4. Step 4: Simplify right side
    92,631.11x = 6,415,792,462.86
  5. Step 5: Solve for x
    x = 6,415,792,462.86/92,631.11
  6. Step 6: Final answer
    x = 69,261.75

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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.