Home / 105,682.20-145,842.62-60,366.20

Finding the Fourth Proportional to 105,682.20, 145,842.62 and 60,366.20

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Solution

The fourth proportional to 105,682.20, 145,842.62 and 60,366.20 is: 83,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,682.20 : 145,842.62 = 60,366.20 : x
  2. Step 2: Convert to fraction form
    105,682.20/145,842.62 = 60,366.20/x
  3. Step 3: Cross multiply
    105,682.20x = 145,842.62 × 60,366.20
  4. Step 4: Simplify right side
    105,682.20x = 8,803,963,736.40
  5. Step 5: Solve for x
    x = 8,803,963,736.40/105,682.20
  6. Step 6: Final answer
    x = 83,306.02

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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.