Home / 92,051.78-127,036.05-51,778.22

Finding the Fourth Proportional to 92,051.78, 127,036.05 and 51,778.22

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Solution

The fourth proportional to 92,051.78, 127,036.05 and 51,778.22 is: 71,456.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,051.78 : 127,036.05 = 51,778.22 : x
  2. Step 2: Convert to fraction form
    92,051.78/127,036.05 = 51,778.22/x
  3. Step 3: Cross multiply
    92,051.78x = 127,036.05 × 51,778.22
  4. Step 4: Simplify right side
    92,051.78x = 6,577,700,544.83
  5. Step 5: Solve for x
    x = 6,577,700,544.83/92,051.78
  6. Step 6: Final answer
    x = 71,456.53

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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.