Home / 75,582.18-113,358.09-71,835.30

Finding the Fourth Proportional to 75,582.18, 113,358.09 and 71,835.30

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Solution

The fourth proportional to 75,582.18, 113,358.09 and 71,835.30 is: 107,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,582.18 : 113,358.09 = 71,835.30 : x
  2. Step 2: Convert to fraction form
    75,582.18/113,358.09 = 71,835.30/x
  3. Step 3: Cross multiply
    75,582.18x = 113,358.09 × 71,835.30
  4. Step 4: Simplify right side
    75,582.18x = 8,143,112,402.58
  5. Step 5: Solve for x
    x = 8,143,112,402.58/75,582.18
  6. Step 6: Final answer
    x = 107,738.52

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1.5x scale

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.