Home / 104,064.21-156,089.84-64,090.80

Finding the Fourth Proportional to 104,064.21, 156,089.84 and 64,090.80

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Solution

The fourth proportional to 104,064.21, 156,089.84 and 64,090.80 is: 96,132.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,064.21 : 156,089.84 = 64,090.80 : x
  2. Step 2: Convert to fraction form
    104,064.21/156,089.84 = 64,090.80/x
  3. Step 3: Cross multiply
    104,064.21x = 156,089.84 × 64,090.80
  4. Step 4: Simplify right side
    104,064.21x = 10,003,922,397.02
  5. Step 5: Solve for x
    x = 10,003,922,397.02/104,064.21
  6. Step 6: Final answer
    x = 96,132.21

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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.