Home / 105,241.67-145,240.20-59,923.61

Finding the Fourth Proportional to 105,241.67, 145,240.20 and 59,923.61

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Solution

The fourth proportional to 105,241.67, 145,240.20 and 59,923.61 is: 82,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,241.67 : 145,240.20 = 59,923.61 : x
  2. Step 2: Convert to fraction form
    105,241.67/145,240.20 = 59,923.61/x
  3. Step 3: Cross multiply
    105,241.67x = 145,240.20 × 59,923.61
  4. Step 4: Simplify right side
    105,241.67x = 8,703,316,374.92
  5. Step 5: Solve for x
    x = 8,703,316,374.92/105,241.67
  6. Step 6: Final answer
    x = 82,698.39

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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.