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Finding the Fourth Proportional to 64,448.88, 96,661.80 and 41,005.68

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Solution

The fourth proportional to 64,448.88, 96,661.80 and 41,005.68 is: 61,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,448.88 : 96,661.80 = 41,005.68 : x
  2. Step 2: Convert to fraction form
    64,448.88/96,661.80 = 41,005.68/x
  3. Step 3: Cross multiply
    64,448.88x = 96,661.80 × 41,005.68
  4. Step 4: Simplify right side
    64,448.88x = 3,963,682,839.02
  5. Step 5: Solve for x
    x = 3,963,682,839.02/64,448.88
  6. Step 6: Final answer
    x = 61,501.19

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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.