Home / 64,180.54-96,272.13-19,807.32

Finding the Fourth Proportional to 64,180.54, 96,272.13 and 19,807.32

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Solution

The fourth proportional to 64,180.54, 96,272.13 and 19,807.32 is: 29,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,180.54 : 96,272.13 = 19,807.32 : x
  2. Step 2: Convert to fraction form
    64,180.54/96,272.13 = 19,807.32/x
  3. Step 3: Cross multiply
    64,180.54x = 96,272.13 × 19,807.32
  4. Step 4: Simplify right side
    64,180.54x = 1,906,892,885.99
  5. Step 5: Solve for x
    x = 1,906,892,885.99/64,180.54
  6. Step 6: Final answer
    x = 29,711.39

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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.