Home / 85,453.36-117,915.48-51,461.30

Finding the Fourth Proportional to 85,453.36, 117,915.48 and 51,461.30

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Solution

The fourth proportional to 85,453.36, 117,915.48 and 51,461.30 is: 71,010.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,453.36 : 117,915.48 = 51,461.30 : x
  2. Step 2: Convert to fraction form
    85,453.36/117,915.48 = 51,461.30/x
  3. Step 3: Cross multiply
    85,453.36x = 117,915.48 × 51,461.30
  4. Step 4: Simplify right side
    85,453.36x = 6,068,083,890.92
  5. Step 5: Solve for x
    x = 6,068,083,890.92/85,453.36
  6. Step 6: Final answer
    x = 71,010.48

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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.