Home / 85,282.57-117,690.06-47,041.26

Finding the Fourth Proportional to 85,282.57, 117,690.06 and 47,041.26

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Solution

The fourth proportional to 85,282.57, 117,690.06 and 47,041.26 is: 64,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,282.57 : 117,690.06 = 47,041.26 : x
  2. Step 2: Convert to fraction form
    85,282.57/117,690.06 = 47,041.26/x
  3. Step 3: Cross multiply
    85,282.57x = 117,690.06 × 47,041.26
  4. Step 4: Simplify right side
    85,282.57x = 5,536,288,711.88
  5. Step 5: Solve for x
    x = 5,536,288,711.88/85,282.57
  6. Step 6: Final answer
    x = 64,917.00

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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.