Home / 99,703.24-149,583.13-40,581.34

Finding the Fourth Proportional to 99,703.24, 149,583.13 and 40,581.34

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Solution

The fourth proportional to 99,703.24, 149,583.13 and 40,581.34 is: 60,883.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,703.24 : 149,583.13 = 40,581.34 : x
  2. Step 2: Convert to fraction form
    99,703.24/149,583.13 = 40,581.34/x
  3. Step 3: Cross multiply
    99,703.24x = 149,583.13 × 40,581.34
  4. Step 4: Simplify right side
    99,703.24x = 6,070,283,856.79
  5. Step 5: Solve for x
    x = 6,070,283,856.79/99,703.24
  6. Step 6: Final answer
    x = 60,883.52

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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.