Home / 73,022.50-109,533.75-17,618.50

Finding the Fourth Proportional to 73,022.50, 109,533.75 and 17,618.50

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Solution

The fourth proportional to 73,022.50, 109,533.75 and 17,618.50 is: 26,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,022.50 : 109,533.75 = 17,618.50 : x
  2. Step 2: Convert to fraction form
    73,022.50/109,533.75 = 17,618.50/x
  3. Step 3: Cross multiply
    73,022.50x = 109,533.75 × 17,618.50
  4. Step 4: Simplify right side
    73,022.50x = 1,929,820,374.38
  5. Step 5: Solve for x
    x = 1,929,820,374.38/73,022.50
  6. Step 6: Final answer
    x = 26,427.75

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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.