Home / 105,522.92-145,635.55-60,190.52

Finding the Fourth Proportional to 105,522.92, 145,635.55 and 60,190.52

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Solution

The fourth proportional to 105,522.92, 145,635.55 and 60,190.52 is: 83,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,522.92 : 145,635.55 = 60,190.52 : x
  2. Step 2: Convert to fraction form
    105,522.92/145,635.55 = 60,190.52/x
  3. Step 3: Cross multiply
    105,522.92x = 145,635.55 × 60,190.52
  4. Step 4: Simplify right side
    105,522.92x = 8,765,879,484.99
  5. Step 5: Solve for x
    x = 8,765,879,484.99/105,522.92
  6. Step 6: Final answer
    x = 83,070.86

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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.