Home / 109,739.79-151,439.96-59,438.79

Finding the Fourth Proportional to 109,739.79, 151,439.96 and 59,438.79

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Solution

The fourth proportional to 109,739.79, 151,439.96 and 59,438.79 is: 82,025.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,739.79 : 151,439.96 = 59,438.79 : x
  2. Step 2: Convert to fraction form
    109,739.79/151,439.96 = 59,438.79/x
  3. Step 3: Cross multiply
    109,739.79x = 151,439.96 × 59,438.79
  4. Step 4: Simplify right side
    109,739.79x = 9,001,408,128.65
  5. Step 5: Solve for x
    x = 9,001,408,128.65/109,739.79
  6. Step 6: Final answer
    x = 82,025.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.