Home / 84,844.60-127,364.10-51,602.20

Finding the Fourth Proportional to 84,844.60, 127,364.10 and 51,602.20

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Solution

The fourth proportional to 84,844.60, 127,364.10 and 51,602.20 is: 77,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,844.60 : 127,364.10 = 51,602.20 : x
  2. Step 2: Convert to fraction form
    84,844.60/127,364.10 = 51,602.20/x
  3. Step 3: Cross multiply
    84,844.60x = 127,364.10 × 51,602.20
  4. Step 4: Simplify right side
    84,844.60x = 6,572,267,761.02
  5. Step 5: Solve for x
    x = 6,572,267,761.02/84,844.60
  6. Step 6: Final answer
    x = 77,462.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.