Home / 99,178.17-148,768.47-29,058.90

Finding the Fourth Proportional to 99,178.17, 148,768.47 and 29,058.90

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Solution

The fourth proportional to 99,178.17, 148,768.47 and 29,058.90 is: 43,588.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,178.17 : 148,768.47 = 29,058.90 : x
  2. Step 2: Convert to fraction form
    99,178.17/148,768.47 = 29,058.90/x
  3. Step 3: Cross multiply
    99,178.17x = 148,768.47 × 29,058.90
  4. Step 4: Simplify right side
    99,178.17x = 4,323,048,092.88
  5. Step 5: Solve for x
    x = 4,323,048,092.88/99,178.17
  6. Step 6: Final answer
    x = 43,588.71

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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.