Home / 99,157.42-148,588.44-54,796.87

Finding the Fourth Proportional to 99,157.42, 148,588.44 and 54,796.87

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Solution

The fourth proportional to 99,157.42, 148,588.44 and 54,796.87 is: 82,113.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,157.42 : 148,588.44 = 54,796.87 : x
  2. Step 2: Convert to fraction form
    99,157.42/148,588.44 = 54,796.87/x
  3. Step 3: Cross multiply
    99,157.42x = 148,588.44 × 54,796.87
  4. Step 4: Simplify right side
    99,157.42x = 8,142,181,430.18
  5. Step 5: Solve for x
    x = 8,142,181,430.18/99,157.42
  6. Step 6: Final answer
    x = 82,113.69

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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.