Home / 92,580.12-127,760.36-50,138.55

Finding the Fourth Proportional to 92,580.12, 127,760.36 and 50,138.55

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Solution

The fourth proportional to 92,580.12, 127,760.36 and 50,138.55 is: 69,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,580.12 : 127,760.36 = 50,138.55 : x
  2. Step 2: Convert to fraction form
    92,580.12/127,760.36 = 50,138.55/x
  3. Step 3: Cross multiply
    92,580.12x = 127,760.36 × 50,138.55
  4. Step 4: Simplify right side
    92,580.12x = 6,405,718,947.19
  5. Step 5: Solve for x
    x = 6,405,718,947.19/92,580.12
  6. Step 6: Final answer
    x = 69,191.08

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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.