Home / 91,676.20-137,492.46-51,712.36

Finding the Fourth Proportional to 91,676.20, 137,492.46 and 51,712.36

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Solution

The fourth proportional to 91,676.20, 137,492.46 and 51,712.36 is: 77,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,676.20 : 137,492.46 = 51,712.36 : x
  2. Step 2: Convert to fraction form
    91,676.20/137,492.46 = 51,712.36/x
  3. Step 3: Cross multiply
    91,676.20x = 137,492.46 × 51,712.36
  4. Step 4: Simplify right side
    91,676.20x = 7,110,059,588.81
  5. Step 5: Solve for x
    x = 7,110,059,588.81/91,676.20
  6. Step 6: Final answer
    x = 77,556.22

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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.