Home / 85,143.65-117,493.62-46,895.76

Finding the Fourth Proportional to 85,143.65, 117,493.62 and 46,895.76

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Solution

The fourth proportional to 85,143.65, 117,493.62 and 46,895.76 is: 64,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,143.65 : 117,493.62 = 46,895.76 : x
  2. Step 2: Convert to fraction form
    85,143.65/117,493.62 = 46,895.76/x
  3. Step 3: Cross multiply
    85,143.65x = 117,493.62 × 46,895.76
  4. Step 4: Simplify right side
    85,143.65x = 5,509,952,017.58
  5. Step 5: Solve for x
    x = 5,509,952,017.58/85,143.65
  6. Step 6: Final answer
    x = 64,713.60

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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.