Home / 85,267.63-117,670.14-47,028.65

Finding the Fourth Proportional to 85,267.63, 117,670.14 and 47,028.65

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Solution

The fourth proportional to 85,267.63, 117,670.14 and 47,028.65 is: 64,899.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,267.63 : 117,670.14 = 47,028.65 : x
  2. Step 2: Convert to fraction form
    85,267.63/117,670.14 = 47,028.65/x
  3. Step 3: Cross multiply
    85,267.63x = 117,670.14 × 47,028.65
  4. Step 4: Simplify right side
    85,267.63x = 5,533,867,241.16
  5. Step 5: Solve for x
    x = 5,533,867,241.16/85,267.63
  6. Step 6: Final answer
    x = 64,899.98

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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.