Home / 99,245.46-148,845.75-29,130.24

Finding the Fourth Proportional to 99,245.46, 148,845.75 and 29,130.24

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Solution

The fourth proportional to 99,245.46, 148,845.75 and 29,130.24 is: 43,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,245.46 : 148,845.75 = 29,130.24 : x
  2. Step 2: Convert to fraction form
    99,245.46/148,845.75 = 29,130.24/x
  3. Step 3: Cross multiply
    99,245.46x = 148,845.75 × 29,130.24
  4. Step 4: Simplify right side
    99,245.46x = 4,335,912,420.48
  5. Step 5: Solve for x
    x = 4,335,912,420.48/99,245.46
  6. Step 6: Final answer
    x = 43,688.77

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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.