Home / 99,220.88-148,841.15-31,735.96

Finding the Fourth Proportional to 99,220.88, 148,841.15 and 31,735.96

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Solution

The fourth proportional to 99,220.88, 148,841.15 and 31,735.96 is: 47,607.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,220.88 : 148,841.15 = 31,735.96 : x
  2. Step 2: Convert to fraction form
    99,220.88/148,841.15 = 31,735.96/x
  3. Step 3: Cross multiply
    99,220.88x = 148,841.15 × 31,735.96
  4. Step 4: Simplify right side
    99,220.88x = 4,723,616,782.75
  5. Step 5: Solve for x
    x = 4,723,616,782.75/99,220.88
  6. Step 6: Final answer
    x = 47,607.08

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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.