Home / 107,960.65-149,015.35-62,653.22

Finding the Fourth Proportional to 107,960.65, 149,015.35 and 62,653.22

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Solution

The fourth proportional to 107,960.65, 149,015.35 and 62,653.22 is: 86,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,960.65 : 149,015.35 = 62,653.22 : x
  2. Step 2: Convert to fraction form
    107,960.65/149,015.35 = 62,653.22/x
  3. Step 3: Cross multiply
    107,960.65x = 149,015.35 × 62,653.22
  4. Step 4: Simplify right side
    107,960.65x = 9,336,291,465.66
  5. Step 5: Solve for x
    x = 9,336,291,465.66/107,960.65
  6. Step 6: Final answer
    x = 86,478.65

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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.