Home / 120,581.68-180,898.44-40,627.59

Finding the Fourth Proportional to 120,581.68, 180,898.44 and 40,627.59

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Solution

The fourth proportional to 120,581.68, 180,898.44 and 40,627.59 is: 60,950.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,581.68 : 180,898.44 = 40,627.59 : x
  2. Step 2: Convert to fraction form
    120,581.68/180,898.44 = 40,627.59/x
  3. Step 3: Cross multiply
    120,581.68x = 180,898.44 × 40,627.59
  4. Step 4: Simplify right side
    120,581.68x = 7,349,468,406.51
  5. Step 5: Solve for x
    x = 7,349,468,406.51/120,581.68
  6. Step 6: Final answer
    x = 60,950.12

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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.