Home / 87,090.33-120,186.06-48,858.39

Finding the Fourth Proportional to 87,090.33, 120,186.06 and 48,858.39

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Solution

The fourth proportional to 87,090.33, 120,186.06 and 48,858.39 is: 67,425.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,090.33 : 120,186.06 = 48,858.39 : x
  2. Step 2: Convert to fraction form
    87,090.33/120,186.06 = 48,858.39/x
  3. Step 3: Cross multiply
    87,090.33x = 120,186.06 × 48,858.39
  4. Step 4: Simplify right side
    87,090.33x = 5,872,097,483.65
  5. Step 5: Solve for x
    x = 5,872,097,483.65/87,090.33
  6. Step 6: Final answer
    x = 67,425.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.