Home / 105,222.60-145,169.46-62,193.08

Finding the Fourth Proportional to 105,222.60, 145,169.46 and 62,193.08

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Solution

The fourth proportional to 105,222.60, 145,169.46 and 62,193.08 is: 85,804.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,222.60 : 145,169.46 = 62,193.08 : x
  2. Step 2: Convert to fraction form
    105,222.60/145,169.46 = 62,193.08/x
  3. Step 3: Cross multiply
    105,222.60x = 145,169.46 × 62,193.08
  4. Step 4: Simplify right side
    105,222.60x = 9,028,535,839.34
  5. Step 5: Solve for x
    x = 9,028,535,839.34/105,222.60
  6. Step 6: Final answer
    x = 85,804.15

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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.