Home / 85,459.26-117,935.64-47,733.60

Finding the Fourth Proportional to 85,459.26, 117,935.64 and 47,733.60

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Solution

The fourth proportional to 85,459.26, 117,935.64 and 47,733.60 is: 65,873.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,459.26 : 117,935.64 = 47,733.60 : x
  2. Step 2: Convert to fraction form
    85,459.26/117,935.64 = 47,733.60/x
  3. Step 3: Cross multiply
    85,459.26x = 117,935.64 × 47,733.60
  4. Step 4: Simplify right side
    85,459.26x = 5,629,492,665.50
  5. Step 5: Solve for x
    x = 5,629,492,665.50/85,459.26
  6. Step 6: Final answer
    x = 65,873.41

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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.