Home / 99,609.54-149,436.51-36,428.26

Finding the Fourth Proportional to 99,609.54, 149,436.51 and 36,428.26

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Solution

The fourth proportional to 99,609.54, 149,436.51 and 36,428.26 is: 54,650.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,609.54 : 149,436.51 = 36,428.26 : x
  2. Step 2: Convert to fraction form
    99,609.54/149,436.51 = 36,428.26/x
  3. Step 3: Cross multiply
    99,609.54x = 149,436.51 × 36,428.26
  4. Step 4: Simplify right side
    99,609.54x = 5,443,712,039.77
  5. Step 5: Solve for x
    x = 5,443,712,039.77/99,609.54
  6. Step 6: Final answer
    x = 54,650.51

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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.