Home / 64,485.21-96,781.11-32,918.58

Finding the Fourth Proportional to 64,485.21, 96,781.11 and 32,918.58

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Solution

The fourth proportional to 64,485.21, 96,781.11 and 32,918.58 is: 49,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,485.21 : 96,781.11 = 32,918.58 : x
  2. Step 2: Convert to fraction form
    64,485.21/96,781.11 = 32,918.58/x
  3. Step 3: Cross multiply
    64,485.21x = 96,781.11 × 32,918.58
  4. Step 4: Simplify right side
    64,485.21x = 3,185,896,712.02
  5. Step 5: Solve for x
    x = 3,185,896,712.02/64,485.21
  6. Step 6: Final answer
    x = 49,405.08

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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.