Home / 60,939.15-84,091.70-55,919.98

Finding the Fourth Proportional to 60,939.15, 84,091.70 and 55,919.98

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Solution

The fourth proportional to 60,939.15, 84,091.70 and 55,919.98 is: 77,165.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,939.15 : 84,091.70 = 55,919.98 : x
  2. Step 2: Convert to fraction form
    60,939.15/84,091.70 = 55,919.98/x
  3. Step 3: Cross multiply
    60,939.15x = 84,091.70 × 55,919.98
  4. Step 4: Simplify right side
    60,939.15x = 4,702,406,427.08
  5. Step 5: Solve for x
    x = 4,702,406,427.08/60,939.15
  6. Step 6: Final answer
    x = 77,165.61

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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.