Home / 64,038.13-96,072.32-21,918.73

Finding the Fourth Proportional to 64,038.13, 96,072.32 and 21,918.73

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Solution

The fourth proportional to 64,038.13, 96,072.32 and 21,918.73 is: 32,883.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,038.13 : 96,072.32 = 21,918.73 : x
  2. Step 2: Convert to fraction form
    64,038.13/96,072.32 = 21,918.73/x
  3. Step 3: Cross multiply
    64,038.13x = 96,072.32 × 21,918.73
  4. Step 4: Simplify right side
    64,038.13x = 2,105,783,132.96
  5. Step 5: Solve for x
    x = 2,105,783,132.96/64,038.13
  6. Step 6: Final answer
    x = 32,883.27

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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.