Home / 105,632.73-145,777.19-60,318.09

Finding the Fourth Proportional to 105,632.73, 145,777.19 and 60,318.09

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Solution

The fourth proportional to 105,632.73, 145,777.19 and 60,318.09 is: 83,241.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,632.73 : 145,777.19 = 60,318.09 : x
  2. Step 2: Convert to fraction form
    105,632.73/145,777.19 = 60,318.09/x
  3. Step 3: Cross multiply
    105,632.73x = 145,777.19 × 60,318.09
  4. Step 4: Simplify right side
    105,632.73x = 8,793,001,364.78
  5. Step 5: Solve for x
    x = 8,793,001,364.78/105,632.73
  6. Step 6: Final answer
    x = 83,241.26

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1.5x scale

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.