Home / 115,511.32-173,322.06-62,919.64

Finding the Fourth Proportional to 115,511.32, 173,322.06 and 62,919.64

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Solution

The fourth proportional to 115,511.32, 173,322.06 and 62,919.64 is: 94,409.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,511.32 : 173,322.06 = 62,919.64 : x
  2. Step 2: Convert to fraction form
    115,511.32/173,322.06 = 62,919.64/x
  3. Step 3: Cross multiply
    115,511.32x = 173,322.06 × 62,919.64
  4. Step 4: Simplify right side
    115,511.32x = 10,905,361,619.26
  5. Step 5: Solve for x
    x = 10,905,361,619.26/115,511.32
  6. Step 6: Final answer
    x = 94,409.46

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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.