Home / 85,167.18-117,509.94-56,092.59

Finding the Fourth Proportional to 85,167.18, 117,509.94 and 56,092.59

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Solution

The fourth proportional to 85,167.18, 117,509.94 and 56,092.59 is: 77,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,167.18 : 117,509.94 = 56,092.59 : x
  2. Step 2: Convert to fraction form
    85,167.18/117,509.94 = 56,092.59/x
  3. Step 3: Cross multiply
    85,167.18x = 117,509.94 × 56,092.59
  4. Step 4: Simplify right side
    85,167.18x = 6,591,436,885.34
  5. Step 5: Solve for x
    x = 6,591,436,885.34/85,167.18
  6. Step 6: Final answer
    x = 77,394.10

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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.