Home / 89,340.48-133,835.54-51,821.73

Finding the Fourth Proportional to 89,340.48, 133,835.54 and 51,821.73

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Solution

The fourth proportional to 89,340.48, 133,835.54 and 51,821.73 is: 77,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,340.48 : 133,835.54 = 51,821.73 : x
  2. Step 2: Convert to fraction form
    89,340.48/133,835.54 = 51,821.73/x
  3. Step 3: Cross multiply
    89,340.48x = 133,835.54 × 51,821.73
  4. Step 4: Simplify right side
    89,340.48x = 6,935,588,959.18
  5. Step 5: Solve for x
    x = 6,935,588,959.18/89,340.48
  6. Step 6: Final answer
    x = 77,630.98

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1.5x scale

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.