Home / 85,366.14-117,807.16-47,125.60

Finding the Fourth Proportional to 85,366.14, 117,807.16 and 47,125.60

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Solution

The fourth proportional to 85,366.14, 117,807.16 and 47,125.60 is: 65,034.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,366.14 : 117,807.16 = 47,125.60 : x
  2. Step 2: Convert to fraction form
    85,366.14/117,807.16 = 47,125.60/x
  3. Step 3: Cross multiply
    85,366.14x = 117,807.16 × 47,125.60
  4. Step 4: Simplify right side
    85,366.14x = 5,551,733,099.30
  5. Step 5: Solve for x
    x = 5,551,733,099.30/85,366.14
  6. Step 6: Final answer
    x = 65,034.37

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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.