Home / 99,189.02-148,789.15-31,726.98

Finding the Fourth Proportional to 99,189.02, 148,789.15 and 31,726.98

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Solution

The fourth proportional to 99,189.02, 148,789.15 and 31,726.98 is: 47,592.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,189.02 : 148,789.15 = 31,726.98 : x
  2. Step 2: Convert to fraction form
    99,189.02/148,789.15 = 31,726.98/x
  3. Step 3: Cross multiply
    99,189.02x = 148,789.15 × 31,726.98
  4. Step 4: Simplify right side
    99,189.02x = 4,720,629,748.99
  5. Step 5: Solve for x
    x = 4,720,629,748.99/99,189.02
  6. Step 6: Final answer
    x = 47,592.26

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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.