Home / 85,066.60-117,389.46-47,340.04

Finding the Fourth Proportional to 85,066.60, 117,389.46 and 47,340.04

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Solution

The fourth proportional to 85,066.60, 117,389.46 and 47,340.04 is: 65,327.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,066.60 : 117,389.46 = 47,340.04 : x
  2. Step 2: Convert to fraction form
    85,066.60/117,389.46 = 47,340.04/x
  3. Step 3: Cross multiply
    85,066.60x = 117,389.46 × 47,340.04
  4. Step 4: Simplify right side
    85,066.60x = 5,557,221,731.98
  5. Step 5: Solve for x
    x = 5,557,221,731.98/85,066.60
  6. Step 6: Final answer
    x = 65,327.89

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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.