Home / 107,585.30-148,365.80-68,835.37

Finding the Fourth Proportional to 107,585.30, 148,365.80 and 68,835.37

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Solution

The fourth proportional to 107,585.30, 148,365.80 and 68,835.37 is: 94,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,585.30 : 148,365.80 = 68,835.37 : x
  2. Step 2: Convert to fraction form
    107,585.30/148,365.80 = 68,835.37/x
  3. Step 3: Cross multiply
    107,585.30x = 148,365.80 × 68,835.37
  4. Step 4: Simplify right side
    107,585.30x = 10,212,814,738.35
  5. Step 5: Solve for x
    x = 10,212,814,738.35/107,585.30
  6. Step 6: Final answer
    x = 94,927.60

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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.