Home / 92,181.09-127,222.02-51,902.70

Finding the Fourth Proportional to 92,181.09, 127,222.02 and 51,902.70

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Solution

The fourth proportional to 92,181.09, 127,222.02 and 51,902.70 is: 71,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,181.09 : 127,222.02 = 51,902.70 : x
  2. Step 2: Convert to fraction form
    92,181.09/127,222.02 = 51,902.70/x
  3. Step 3: Cross multiply
    92,181.09x = 127,222.02 × 51,902.70
  4. Step 4: Simplify right side
    92,181.09x = 6,603,166,337.45
  5. Step 5: Solve for x
    x = 6,603,166,337.45/92,181.09
  6. Step 6: Final answer
    x = 71,632.55

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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.