Home / 109,976.54-164,931.88-57,357.32

Finding the Fourth Proportional to 109,976.54, 164,931.88 and 57,357.32

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Solution

The fourth proportional to 109,976.54, 164,931.88 and 57,357.32 is: 86,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,976.54 : 164,931.88 = 57,357.32 : x
  2. Step 2: Convert to fraction form
    109,976.54/164,931.88 = 57,357.32/x
  3. Step 3: Cross multiply
    109,976.54x = 164,931.88 × 57,357.32
  4. Step 4: Simplify right side
    109,976.54x = 9,460,050,619.36
  5. Step 5: Solve for x
    x = 9,460,050,619.36/109,976.54
  6. Step 6: Final answer
    x = 86,018.81

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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.