Home / 123,470.22-170,387.64-69,755.16

Finding the Fourth Proportional to 123,470.22, 170,387.64 and 69,755.16

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Solution

The fourth proportional to 123,470.22, 170,387.64 and 69,755.16 is: 96,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,470.22 : 170,387.64 = 69,755.16 : x
  2. Step 2: Convert to fraction form
    123,470.22/170,387.64 = 69,755.16/x
  3. Step 3: Cross multiply
    123,470.22x = 170,387.64 × 69,755.16
  4. Step 4: Simplify right side
    123,470.22x = 11,885,417,090.22
  5. Step 5: Solve for x
    x = 11,885,417,090.22/123,470.22
  6. Step 6: Final answer
    x = 96,261.41

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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.