Home / 92,764.36-127,999.20-54,516.16

Finding the Fourth Proportional to 92,764.36, 127,999.20 and 54,516.16

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Solution

The fourth proportional to 92,764.36, 127,999.20 and 54,516.16 is: 75,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,764.36 : 127,999.20 = 54,516.16 : x
  2. Step 2: Convert to fraction form
    92,764.36/127,999.20 = 54,516.16/x
  3. Step 3: Cross multiply
    92,764.36x = 127,999.20 × 54,516.16
  4. Step 4: Simplify right side
    92,764.36x = 6,978,024,867.07
  5. Step 5: Solve for x
    x = 6,978,024,867.07/92,764.36
  6. Step 6: Final answer
    x = 75,223.12

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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.