Home / 85,237.66-117,599.41-55,043.39

Finding the Fourth Proportional to 85,237.66, 117,599.41 and 55,043.39

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Solution

The fourth proportional to 85,237.66, 117,599.41 and 55,043.39 is: 75,941.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,237.66 : 117,599.41 = 55,043.39 : x
  2. Step 2: Convert to fraction form
    85,237.66/117,599.41 = 55,043.39/x
  3. Step 3: Cross multiply
    85,237.66x = 117,599.41 × 55,043.39
  4. Step 4: Simplify right side
    85,237.66x = 6,473,070,050.79
  5. Step 5: Solve for x
    x = 6,473,070,050.79/85,237.66
  6. Step 6: Final answer
    x = 75,941.44

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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.