Home / 68,595.08-94,679.70-40,319.72

Finding the Fourth Proportional to 68,595.08, 94,679.70 and 40,319.72

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Solution

The fourth proportional to 68,595.08, 94,679.70 and 40,319.72 is: 55,652.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,595.08 : 94,679.70 = 40,319.72 : x
  2. Step 2: Convert to fraction form
    68,595.08/94,679.70 = 40,319.72/x
  3. Step 3: Cross multiply
    68,595.08x = 94,679.70 × 40,319.72
  4. Step 4: Simplify right side
    68,595.08x = 3,817,458,993.68
  5. Step 5: Solve for x
    x = 3,817,458,993.68/68,595.08
  6. Step 6: Final answer
    x = 55,652.08

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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.