Home / 115,097.12-158,842.01-69,777.02

Finding the Fourth Proportional to 115,097.12, 158,842.01 and 69,777.02

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Solution

The fourth proportional to 115,097.12, 158,842.01 and 69,777.02 is: 96,297.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,097.12 : 158,842.01 = 69,777.02 : x
  2. Step 2: Convert to fraction form
    115,097.12/158,842.01 = 69,777.02/x
  3. Step 3: Cross multiply
    115,097.12x = 158,842.01 × 69,777.02
  4. Step 4: Simplify right side
    115,097.12x = 11,083,522,108.61
  5. Step 5: Solve for x
    x = 11,083,522,108.61/115,097.12
  6. Step 6: Final answer
    x = 96,297.13

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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.