Home / 130,697.70-195,967.50-58,637.42

Finding the Fourth Proportional to 130,697.70, 195,967.50 and 58,637.42

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Solution

The fourth proportional to 130,697.70, 195,967.50 and 58,637.42 is: 87,920.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,697.70 : 195,967.50 = 58,637.42 : x
  2. Step 2: Convert to fraction form
    130,697.70/195,967.50 = 58,637.42/x
  3. Step 3: Cross multiply
    130,697.70x = 195,967.50 × 58,637.42
  4. Step 4: Simplify right side
    130,697.70x = 11,491,028,468.84
  5. Step 5: Solve for x
    x = 11,491,028,468.84/130,697.70
  6. Step 6: Final answer
    x = 87,920.66

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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.