Home / 64,135.32-96,215.58-19,754.52

Finding the Fourth Proportional to 64,135.32, 96,215.58 and 19,754.52

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Solution

The fourth proportional to 64,135.32, 96,215.58 and 19,754.52 is: 29,635.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,135.32 : 96,215.58 = 19,754.52 : x
  2. Step 2: Convert to fraction form
    64,135.32/96,215.58 = 19,754.52/x
  3. Step 3: Cross multiply
    64,135.32x = 96,215.58 × 19,754.52
  4. Step 4: Simplify right side
    64,135.32x = 1,900,692,599.42
  5. Step 5: Solve for x
    x = 1,900,692,599.42/64,135.32
  6. Step 6: Final answer
    x = 29,635.66

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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.