Home / 85,099.85-117,436.80-46,858.60

Finding the Fourth Proportional to 85,099.85, 117,436.80 and 46,858.60

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Solution

The fourth proportional to 85,099.85, 117,436.80 and 46,858.60 is: 64,664.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,099.85 : 117,436.80 = 46,858.60 : x
  2. Step 2: Convert to fraction form
    85,099.85/117,436.80 = 46,858.60/x
  3. Step 3: Cross multiply
    85,099.85x = 117,436.80 × 46,858.60
  4. Step 4: Simplify right side
    85,099.85x = 5,502,924,036.48
  5. Step 5: Solve for x
    x = 5,502,924,036.48/85,099.85
  6. Step 6: Final answer
    x = 64,664.32

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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.