Home / 69,561.89-95,995.57-37,730.78

Finding the Fourth Proportional to 69,561.89, 95,995.57 and 37,730.78

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Solution

The fourth proportional to 69,561.89, 95,995.57 and 37,730.78 is: 52,068.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,561.89 : 95,995.57 = 37,730.78 : x
  2. Step 2: Convert to fraction form
    69,561.89/95,995.57 = 37,730.78/x
  3. Step 3: Cross multiply
    69,561.89x = 95,995.57 × 37,730.78
  4. Step 4: Simplify right side
    69,561.89x = 3,621,987,878.31
  5. Step 5: Solve for x
    x = 3,621,987,878.31/69,561.89
  6. Step 6: Final answer
    x = 52,068.57

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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.