Home / 118,036.56-162,886.32-66,352.08

Finding the Fourth Proportional to 118,036.56, 162,886.32 and 66,352.08

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Solution

The fourth proportional to 118,036.56, 162,886.32 and 66,352.08 is: 91,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,036.56 : 162,886.32 = 66,352.08 : x
  2. Step 2: Convert to fraction form
    118,036.56/162,886.32 = 66,352.08/x
  3. Step 3: Cross multiply
    118,036.56x = 162,886.32 × 66,352.08
  4. Step 4: Simplify right side
    118,036.56x = 10,807,846,135.55
  5. Step 5: Solve for x
    x = 10,807,846,135.55/118,036.56
  6. Step 6: Final answer
    x = 91,563.55

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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.