Home / 105,632.26-145,772.50-60,920.26

Finding the Fourth Proportional to 105,632.26, 145,772.50 and 60,920.26

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Solution

The fourth proportional to 105,632.26, 145,772.50 and 60,920.26 is: 84,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,632.26 : 145,772.50 = 60,920.26 : x
  2. Step 2: Convert to fraction form
    105,632.26/145,772.50 = 60,920.26/x
  3. Step 3: Cross multiply
    105,632.26x = 145,772.50 × 60,920.26
  4. Step 4: Simplify right side
    105,632.26x = 8,880,498,600.85
  5. Step 5: Solve for x
    x = 8,880,498,600.85/105,632.26
  6. Step 6: Final answer
    x = 84,069.95

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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.