Home / 107,790.42-148,739.43-62,482.62

Finding the Fourth Proportional to 107,790.42, 148,739.43 and 62,482.62

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Solution

The fourth proportional to 107,790.42, 148,739.43 and 62,482.62 is: 86,219.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,790.42 : 148,739.43 = 62,482.62 : x
  2. Step 2: Convert to fraction form
    107,790.42/148,739.43 = 62,482.62/x
  3. Step 3: Cross multiply
    107,790.42x = 148,739.43 × 62,482.62
  4. Step 4: Simplify right side
    107,790.42x = 9,293,629,283.71
  5. Step 5: Solve for x
    x = 9,293,629,283.71/107,790.42
  6. Step 6: Final answer
    x = 86,219.44

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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.