Home / 89,871.35-124,026.48-51,643.27

Finding the Fourth Proportional to 89,871.35, 124,026.48 and 51,643.27

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Solution

The fourth proportional to 89,871.35, 124,026.48 and 51,643.27 is: 71,270.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,871.35 : 124,026.48 = 51,643.27 : x
  2. Step 2: Convert to fraction form
    89,871.35/124,026.48 = 51,643.27/x
  3. Step 3: Cross multiply
    89,871.35x = 124,026.48 × 51,643.27
  4. Step 4: Simplify right side
    89,871.35x = 6,405,133,076.20
  5. Step 5: Solve for x
    x = 6,405,133,076.20/89,871.35
  6. Step 6: Final answer
    x = 71,270.02

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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.