Home / 86,621.88-119,538.19-46,877.88

Finding the Fourth Proportional to 86,621.88, 119,538.19 and 46,877.88

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Solution

The fourth proportional to 86,621.88, 119,538.19 and 46,877.88 is: 64,691.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,621.88 : 119,538.19 = 46,877.88 : x
  2. Step 2: Convert to fraction form
    86,621.88/119,538.19 = 46,877.88/x
  3. Step 3: Cross multiply
    86,621.88x = 119,538.19 × 46,877.88
  4. Step 4: Simplify right side
    86,621.88x = 5,603,696,211.35
  5. Step 5: Solve for x
    x = 5,603,696,211.35/86,621.88
  6. Step 6: Final answer
    x = 64,691.47

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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.