Home / 105,220.85-145,168.76-59,887.48

Finding the Fourth Proportional to 105,220.85, 145,168.76 and 59,887.48

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Solution

The fourth proportional to 105,220.85, 145,168.76 and 59,887.48 is: 82,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,220.85 : 145,168.76 = 59,887.48 : x
  2. Step 2: Convert to fraction form
    105,220.85/145,168.76 = 59,887.48/x
  3. Step 3: Cross multiply
    105,220.85x = 145,168.76 × 59,887.48
  4. Step 4: Simplify right side
    105,220.85x = 8,693,790,911.69
  5. Step 5: Solve for x
    x = 8,693,790,911.69/105,220.85
  6. Step 6: Final answer
    x = 82,624.22

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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.