Home / 89,340.18-133,835.07-51,821.46

Finding the Fourth Proportional to 89,340.18, 133,835.07 and 51,821.46

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Solution

The fourth proportional to 89,340.18, 133,835.07 and 51,821.46 is: 77,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,340.18 : 133,835.07 = 51,821.46 : x
  2. Step 2: Convert to fraction form
    89,340.18/133,835.07 = 51,821.46/x
  3. Step 3: Cross multiply
    89,340.18x = 133,835.07 × 51,821.46
  4. Step 4: Simplify right side
    89,340.18x = 6,935,528,726.60
  5. Step 5: Solve for x
    x = 6,935,528,726.60/89,340.18
  6. Step 6: Final answer
    x = 77,630.57

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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.