Home / 92,748.24-127,895.76-55,015.20

Finding the Fourth Proportional to 92,748.24, 127,895.76 and 55,015.20

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Solution

The fourth proportional to 92,748.24, 127,895.76 and 55,015.20 is: 75,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,748.24 : 127,895.76 = 55,015.20 : x
  2. Step 2: Convert to fraction form
    92,748.24/127,895.76 = 55,015.20/x
  3. Step 3: Cross multiply
    92,748.24x = 127,895.76 × 55,015.20
  4. Step 4: Simplify right side
    92,748.24x = 7,036,210,815.55
  5. Step 5: Solve for x
    x = 7,036,210,815.55/92,748.24
  6. Step 6: Final answer
    x = 75,863.55

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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.