Home / 92,121.44-127,143.06-53,353.58

Finding the Fourth Proportional to 92,121.44, 127,143.06 and 53,353.58

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Solution

The fourth proportional to 92,121.44, 127,143.06 and 53,353.58 is: 73,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,121.44 : 127,143.06 = 53,353.58 : x
  2. Step 2: Convert to fraction form
    92,121.44/127,143.06 = 53,353.58/x
  3. Step 3: Cross multiply
    92,121.44x = 127,143.06 × 53,353.58
  4. Step 4: Simplify right side
    92,121.44x = 6,783,537,423.15
  5. Step 5: Solve for x
    x = 6,783,537,423.15/92,121.44
  6. Step 6: Final answer
    x = 73,636.90

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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.