Home / 85,935.94-118,592.31-47,698.14

Finding the Fourth Proportional to 85,935.94, 118,592.31 and 47,698.14

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Solution

The fourth proportional to 85,935.94, 118,592.31 and 47,698.14 is: 65,823.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,935.94 : 118,592.31 = 47,698.14 : x
  2. Step 2: Convert to fraction form
    85,935.94/118,592.31 = 47,698.14/x
  3. Step 3: Cross multiply
    85,935.94x = 118,592.31 × 47,698.14
  4. Step 4: Simplify right side
    85,935.94x = 5,656,632,605.30
  5. Step 5: Solve for x
    x = 5,656,632,605.30/85,935.94
  6. Step 6: Final answer
    x = 65,823.83

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1.5x scale

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.