Home / 109,317.52-150,867.36-61,580.24

Finding the Fourth Proportional to 109,317.52, 150,867.36 and 61,580.24

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Solution

The fourth proportional to 109,317.52, 150,867.36 and 61,580.24 is: 84,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,317.52 : 150,867.36 = 61,580.24 : x
  2. Step 2: Convert to fraction form
    109,317.52/150,867.36 = 61,580.24/x
  3. Step 3: Cross multiply
    109,317.52x = 150,867.36 × 61,580.24
  4. Step 4: Simplify right side
    109,317.52x = 9,290,448,236.97
  5. Step 5: Solve for x
    x = 9,290,448,236.97/109,317.52
  6. Step 6: Final answer
    x = 84,985.90

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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.