Home / 85,296.54-117,708.93-47,570.76

Finding the Fourth Proportional to 85,296.54, 117,708.93 and 47,570.76

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Solution

The fourth proportional to 85,296.54, 117,708.93 and 47,570.76 is: 65,647.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,296.54 : 117,708.93 = 47,570.76 : x
  2. Step 2: Convert to fraction form
    85,296.54/117,708.93 = 47,570.76/x
  3. Step 3: Cross multiply
    85,296.54x = 117,708.93 × 47,570.76
  4. Step 4: Simplify right side
    85,296.54x = 5,599,503,258.89
  5. Step 5: Solve for x
    x = 5,599,503,258.89/85,296.54
  6. Step 6: Final answer
    x = 65,647.48

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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.