Home / 85,094.35-117,462.34-66,897.60

Finding the Fourth Proportional to 85,094.35, 117,462.34 and 66,897.60

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Solution

The fourth proportional to 85,094.35, 117,462.34 and 66,897.60 is: 92,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,094.35 : 117,462.34 = 66,897.60 : x
  2. Step 2: Convert to fraction form
    85,094.35/117,462.34 = 66,897.60/x
  3. Step 3: Cross multiply
    85,094.35x = 117,462.34 × 66,897.60
  4. Step 4: Simplify right side
    85,094.35x = 7,857,947,903.22
  5. Step 5: Solve for x
    x = 7,857,947,903.22/85,094.35
  6. Step 6: Final answer
    x = 92,343.95

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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.