Home / 74,518.57-111,774.61-18,356.01

Finding the Fourth Proportional to 74,518.57, 111,774.61 and 18,356.01

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Solution

The fourth proportional to 74,518.57, 111,774.61 and 18,356.01 is: 27,533.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,518.57 : 111,774.61 = 18,356.01 : x
  2. Step 2: Convert to fraction form
    74,518.57/111,774.61 = 18,356.01/x
  3. Step 3: Cross multiply
    74,518.57x = 111,774.61 × 18,356.01
  4. Step 4: Simplify right side
    74,518.57x = 2,051,735,858.91
  5. Step 5: Solve for x
    x = 2,051,735,858.91/74,518.57
  6. Step 6: Final answer
    x = 27,533.22

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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.