Home / 109,246.57-150,774.64-61,509.22

Finding the Fourth Proportional to 109,246.57, 150,774.64 and 61,509.22

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Solution

The fourth proportional to 109,246.57, 150,774.64 and 61,509.22 is: 84,890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,246.57 : 150,774.64 = 61,509.22 : x
  2. Step 2: Convert to fraction form
    109,246.57/150,774.64 = 61,509.22/x
  3. Step 3: Cross multiply
    109,246.57x = 150,774.64 × 61,509.22
  4. Step 4: Simplify right side
    109,246.57x = 9,274,030,992.57
  5. Step 5: Solve for x
    x = 9,274,030,992.57/109,246.57
  6. Step 6: Final answer
    x = 84,890.82

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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.