Home / 92,431.19-138,663.93-29,267.30

Finding the Fourth Proportional to 92,431.19, 138,663.93 and 29,267.30

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Solution

The fourth proportional to 92,431.19, 138,663.93 and 29,267.30 is: 43,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,431.19 : 138,663.93 = 29,267.30 : x
  2. Step 2: Convert to fraction form
    92,431.19/138,663.93 = 29,267.30/x
  3. Step 3: Cross multiply
    92,431.19x = 138,663.93 × 29,267.30
  4. Step 4: Simplify right side
    92,431.19x = 4,058,318,838.49
  5. Step 5: Solve for x
    x = 4,058,318,838.49/92,431.19
  6. Step 6: Final answer
    x = 43,906.38

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1.5x scale

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.