Home / 92,748.54-127,981.35-55,015.50

Finding the Fourth Proportional to 92,748.54, 127,981.35 and 55,015.50

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Solution

The fourth proportional to 92,748.54, 127,981.35 and 55,015.50 is: 75,914.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,748.54 : 127,981.35 = 55,015.50 : x
  2. Step 2: Convert to fraction form
    92,748.54/127,981.35 = 55,015.50/x
  3. Step 3: Cross multiply
    92,748.54x = 127,981.35 × 55,015.50
  4. Step 4: Simplify right side
    92,748.54x = 7,040,957,960.93
  5. Step 5: Solve for x
    x = 7,040,957,960.93/92,748.54
  6. Step 6: Final answer
    x = 75,914.49

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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.