Home / 105,221.35-145,169.44-59,887.98

Finding the Fourth Proportional to 105,221.35, 145,169.44 and 59,887.98

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Solution

The fourth proportional to 105,221.35, 145,169.44 and 59,887.98 is: 82,624.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,221.35 : 145,169.44 = 59,887.98 : x
  2. Step 2: Convert to fraction form
    105,221.35/145,169.44 = 59,887.98/x
  3. Step 3: Cross multiply
    105,221.35x = 145,169.44 × 59,887.98
  4. Step 4: Simplify right side
    105,221.35x = 8,693,904,519.33
  5. Step 5: Solve for x
    x = 8,693,904,519.33/105,221.35
  6. Step 6: Final answer
    x = 82,624.91

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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.