Home / 81,928.06-113,059.47-46,117.96

Finding the Fourth Proportional to 81,928.06, 113,059.47 and 46,117.96

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Solution

The fourth proportional to 81,928.06, 113,059.47 and 46,117.96 is: 63,642.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,928.06 : 113,059.47 = 46,117.96 : x
  2. Step 2: Convert to fraction form
    81,928.06/113,059.47 = 46,117.96/x
  3. Step 3: Cross multiply
    81,928.06x = 113,059.47 × 46,117.96
  4. Step 4: Simplify right side
    81,928.06x = 5,214,072,115.08
  5. Step 5: Solve for x
    x = 5,214,072,115.08/81,928.06
  6. Step 6: Final answer
    x = 63,642.08

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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.