Home / 85,291.23-117,702.78-47,052.12

Finding the Fourth Proportional to 85,291.23, 117,702.78 and 47,052.12

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Solution

The fourth proportional to 85,291.23, 117,702.78 and 47,052.12 is: 64,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,291.23 : 117,702.78 = 47,052.12 : x
  2. Step 2: Convert to fraction form
    85,291.23/117,702.78 = 47,052.12/x
  3. Step 3: Cross multiply
    85,291.23x = 117,702.78 × 47,052.12
  4. Step 4: Simplify right side
    85,291.23x = 5,538,165,328.89
  5. Step 5: Solve for x
    x = 5,538,165,328.89/85,291.23
  6. Step 6: Final answer
    x = 64,932.41

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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.