Home / 92,742.52-127,981.20-50,299.60

Finding the Fourth Proportional to 92,742.52, 127,981.20 and 50,299.60

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Solution

The fourth proportional to 92,742.52, 127,981.20 and 50,299.60 is: 69,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,742.52 : 127,981.20 = 50,299.60 : x
  2. Step 2: Convert to fraction form
    92,742.52/127,981.20 = 50,299.60/x
  3. Step 3: Cross multiply
    92,742.52x = 127,981.20 × 50,299.60
  4. Step 4: Simplify right side
    92,742.52x = 6,437,403,167.52
  5. Step 5: Solve for x
    x = 6,437,403,167.52/92,742.52
  6. Step 6: Final answer
    x = 69,411.56

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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.