Home / 85,250.32-117,655.44-51,275.89

Finding the Fourth Proportional to 85,250.32, 117,655.44 and 51,275.89

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Solution

The fourth proportional to 85,250.32, 117,655.44 and 51,275.89 is: 70,766.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,250.32 : 117,655.44 = 51,275.89 : x
  2. Step 2: Convert to fraction form
    85,250.32/117,655.44 = 51,275.89/x
  3. Step 3: Cross multiply
    85,250.32x = 117,655.44 × 51,275.89
  4. Step 4: Simplify right side
    85,250.32x = 6,032,886,692.31
  5. Step 5: Solve for x
    x = 6,032,886,692.31/85,250.32
  6. Step 6: Final answer
    x = 70,766.73

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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.