Home / 85,257.06-117,655.62-47,017.98

Finding the Fourth Proportional to 85,257.06, 117,655.62 and 47,017.98

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Solution

The fourth proportional to 85,257.06, 117,655.62 and 47,017.98 is: 64,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,257.06 : 117,655.62 = 47,017.98 : x
  2. Step 2: Convert to fraction form
    85,257.06/117,655.62 = 47,017.98/x
  3. Step 3: Cross multiply
    85,257.06x = 117,655.62 × 47,017.98
  4. Step 4: Simplify right side
    85,257.06x = 5,531,929,588.05
  5. Step 5: Solve for x
    x = 5,531,929,588.05/85,257.06
  6. Step 6: Final answer
    x = 64,885.30

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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.