Home / 71,589.60-107,336.99-34,155.45

Finding the Fourth Proportional to 71,589.60, 107,336.99 and 34,155.45

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Solution

The fourth proportional to 71,589.60, 107,336.99 and 34,155.45 is: 51,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,589.60 : 107,336.99 = 34,155.45 : x
  2. Step 2: Convert to fraction form
    71,589.60/107,336.99 = 34,155.45/x
  3. Step 3: Cross multiply
    71,589.60x = 107,336.99 × 34,155.45
  4. Step 4: Simplify right side
    71,589.60x = 3,666,143,024.32
  5. Step 5: Solve for x
    x = 3,666,143,024.32/71,589.60
  6. Step 6: Final answer
    x = 51,210.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.