Home / 89,031.66-122,869.62-51,308.34

Finding the Fourth Proportional to 89,031.66, 122,869.62 and 51,308.34

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Solution

The fourth proportional to 89,031.66, 122,869.62 and 51,308.34 is: 70,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,031.66 : 122,869.62 = 51,308.34 : x
  2. Step 2: Convert to fraction form
    89,031.66/122,869.62 = 51,308.34/x
  3. Step 3: Cross multiply
    89,031.66x = 122,869.62 × 51,308.34
  4. Step 4: Simplify right side
    89,031.66x = 6,304,236,238.63
  5. Step 5: Solve for x
    x = 6,304,236,238.63/89,031.66
  6. Step 6: Final answer
    x = 70,808.93

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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.