Home / 64,120.24-96,180.40-26,679.60

Finding the Fourth Proportional to 64,120.24, 96,180.40 and 26,679.60

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Solution

The fourth proportional to 64,120.24, 96,180.40 and 26,679.60 is: 40,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,120.24 : 96,180.40 = 26,679.60 : x
  2. Step 2: Convert to fraction form
    64,120.24/96,180.40 = 26,679.60/x
  3. Step 3: Cross multiply
    64,120.24x = 96,180.40 × 26,679.60
  4. Step 4: Simplify right side
    64,120.24x = 2,566,054,599.84
  5. Step 5: Solve for x
    x = 2,566,054,599.84/64,120.24
  6. Step 6: Final answer
    x = 40,019.42

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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.