Home / 92,100.12-127,098.36-54,376.80

Finding the Fourth Proportional to 92,100.12, 127,098.36 and 54,376.80

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Solution

The fourth proportional to 92,100.12, 127,098.36 and 54,376.80 is: 75,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,100.12 : 127,098.36 = 54,376.80 : x
  2. Step 2: Convert to fraction form
    92,100.12/127,098.36 = 54,376.80/x
  3. Step 3: Cross multiply
    92,100.12x = 127,098.36 × 54,376.80
  4. Step 4: Simplify right side
    92,100.12x = 6,911,202,102.05
  5. Step 5: Solve for x
    x = 6,911,202,102.05/92,100.12
  6. Step 6: Final answer
    x = 75,040.10

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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.