Home / 104,849.40-144,681.24-62,399.64

Finding the Fourth Proportional to 104,849.40, 144,681.24 and 62,399.64

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Solution

The fourth proportional to 104,849.40, 144,681.24 and 62,399.64 is: 86,105.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,849.40 : 144,681.24 = 62,399.64 : x
  2. Step 2: Convert to fraction form
    104,849.40/144,681.24 = 62,399.64/x
  3. Step 3: Cross multiply
    104,849.40x = 144,681.24 × 62,399.64
  4. Step 4: Simplify right side
    104,849.40x = 9,028,057,290.75
  5. Step 5: Solve for x
    x = 9,028,057,290.75/104,849.40
  6. Step 6: Final answer
    x = 86,105.00

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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.