Home / 85,936.41-118,599.39-47,699.55

Finding the Fourth Proportional to 85,936.41, 118,599.39 and 47,699.55

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Solution

The fourth proportional to 85,936.41, 118,599.39 and 47,699.55 is: 65,829.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,936.41 : 118,599.39 = 47,699.55 : x
  2. Step 2: Convert to fraction form
    85,936.41/118,599.39 = 47,699.55/x
  3. Step 3: Cross multiply
    85,936.41x = 118,599.39 × 47,699.55
  4. Step 4: Simplify right side
    85,936.41x = 5,657,137,533.27
  5. Step 5: Solve for x
    x = 5,657,137,533.27/85,936.41
  6. Step 6: Final answer
    x = 65,829.34

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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.