Home / 99,155.21-148,701.20-32,579.91

Finding the Fourth Proportional to 99,155.21, 148,701.20 and 32,579.91

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Solution

The fourth proportional to 99,155.21, 148,701.20 and 32,579.91 is: 48,859.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,155.21 : 148,701.20 = 32,579.91 : x
  2. Step 2: Convert to fraction form
    99,155.21/148,701.20 = 32,579.91/x
  3. Step 3: Cross multiply
    99,155.21x = 148,701.20 × 32,579.91
  4. Step 4: Simplify right side
    99,155.21x = 4,844,671,549.99
  5. Step 5: Solve for x
    x = 4,844,671,549.99/99,155.21
  6. Step 6: Final answer
    x = 48,859.48

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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.