Home / 107,968.13-148,955.85-62,620.68

Finding the Fourth Proportional to 107,968.13, 148,955.85 and 62,620.68

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Solution

The fourth proportional to 107,968.13, 148,955.85 and 62,620.68 is: 86,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,968.13 : 148,955.85 = 62,620.68 : x
  2. Step 2: Convert to fraction form
    107,968.13/148,955.85 = 62,620.68/x
  3. Step 3: Cross multiply
    107,968.13x = 148,955.85 × 62,620.68
  4. Step 4: Simplify right side
    107,968.13x = 9,327,716,616.98
  5. Step 5: Solve for x
    x = 9,327,716,616.98/107,968.13
  6. Step 6: Final answer
    x = 86,393.24

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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.