Home / 107,031.08-160,579.01-40,491.60

Finding the Fourth Proportional to 107,031.08, 160,579.01 and 40,491.60

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Solution

The fourth proportional to 107,031.08, 160,579.01 and 40,491.60 is: 60,749.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,031.08 : 160,579.01 = 40,491.60 : x
  2. Step 2: Convert to fraction form
    107,031.08/160,579.01 = 40,491.60/x
  3. Step 3: Cross multiply
    107,031.08x = 160,579.01 × 40,491.60
  4. Step 4: Simplify right side
    107,031.08x = 6,502,100,838.86
  5. Step 5: Solve for x
    x = 6,502,100,838.86/107,031.08
  6. Step 6: Final answer
    x = 60,749.65

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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.