Home / 99,431.58-149,146.02-36,265.62

Finding the Fourth Proportional to 99,431.58, 149,146.02 and 36,265.62

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Solution

The fourth proportional to 99,431.58, 149,146.02 and 36,265.62 is: 54,397.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,431.58 : 149,146.02 = 36,265.62 : x
  2. Step 2: Convert to fraction form
    99,431.58/149,146.02 = 36,265.62/x
  3. Step 3: Cross multiply
    99,431.58x = 149,146.02 × 36,265.62
  4. Step 4: Simplify right side
    99,431.58x = 5,408,872,885.83
  5. Step 5: Solve for x
    x = 5,408,872,885.83/99,431.58
  6. Step 6: Final answer
    x = 54,397.94

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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.