Home / 75,777.48-113,650.88-25,830.50

Finding the Fourth Proportional to 75,777.48, 113,650.88 and 25,830.50

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Solution

The fourth proportional to 75,777.48, 113,650.88 and 25,830.50 is: 38,740.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,777.48 : 113,650.88 = 25,830.50 : x
  2. Step 2: Convert to fraction form
    75,777.48/113,650.88 = 25,830.50/x
  3. Step 3: Cross multiply
    75,777.48x = 113,650.88 × 25,830.50
  4. Step 4: Simplify right side
    75,777.48x = 2,935,658,358.43
  5. Step 5: Solve for x
    x = 2,935,658,358.43/75,777.48
  6. Step 6: Final answer
    x = 38,740.51

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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.