Home / 64,001.81-95,999.12-19,628.45

Finding the Fourth Proportional to 64,001.81, 95,999.12 and 19,628.45

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Solution

The fourth proportional to 64,001.81, 95,999.12 and 19,628.45 is: 29,441.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,001.81 : 95,999.12 = 19,628.45 : x
  2. Step 2: Convert to fraction form
    64,001.81/95,999.12 = 19,628.45/x
  3. Step 3: Cross multiply
    64,001.81x = 95,999.12 × 19,628.45
  4. Step 4: Simplify right side
    64,001.81x = 1,884,313,496.04
  5. Step 5: Solve for x
    x = 1,884,313,496.04/64,001.81
  6. Step 6: Final answer
    x = 29,441.56

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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.