Home / 109,056.48-150,503.28-61,324.80

Finding the Fourth Proportional to 109,056.48, 150,503.28 and 61,324.80

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Solution

The fourth proportional to 109,056.48, 150,503.28 and 61,324.80 is: 84,631.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,056.48 : 150,503.28 = 61,324.80 : x
  2. Step 2: Convert to fraction form
    109,056.48/150,503.28 = 61,324.80/x
  3. Step 3: Cross multiply
    109,056.48x = 150,503.28 × 61,324.80
  4. Step 4: Simplify right side
    109,056.48x = 9,229,583,545.34
  5. Step 5: Solve for x
    x = 9,229,583,545.34/109,056.48
  6. Step 6: Final answer
    x = 84,631.23

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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.