Home / 89,877.76-124,042.28-51,637.22

Finding the Fourth Proportional to 89,877.76, 124,042.28 and 51,637.22

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Solution

The fourth proportional to 89,877.76, 124,042.28 and 51,637.22 is: 71,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,877.76 : 124,042.28 = 51,637.22 : x
  2. Step 2: Convert to fraction form
    89,877.76/124,042.28 = 51,637.22/x
  3. Step 3: Cross multiply
    89,877.76x = 124,042.28 × 51,637.22
  4. Step 4: Simplify right side
    89,877.76x = 6,405,198,501.66
  5. Step 5: Solve for x
    x = 6,405,198,501.66/89,877.76
  6. Step 6: Final answer
    x = 71,265.67

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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.