Home / 105,701.64-145,847.73-62,673.18

Finding the Fourth Proportional to 105,701.64, 145,847.73 and 62,673.18

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Solution

The fourth proportional to 105,701.64, 145,847.73 and 62,673.18 is: 86,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,701.64 : 145,847.73 = 62,673.18 : x
  2. Step 2: Convert to fraction form
    105,701.64/145,847.73 = 62,673.18/x
  3. Step 3: Cross multiply
    105,701.64x = 145,847.73 × 62,673.18
  4. Step 4: Simplify right side
    105,701.64x = 9,140,741,034.88
  5. Step 5: Solve for x
    x = 9,140,741,034.88/105,701.64
  6. Step 6: Final answer
    x = 86,476.81

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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.