Home / 66,146.94-99,089.19-30,979.98

Finding the Fourth Proportional to 66,146.94, 99,089.19 and 30,979.98

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Solution

The fourth proportional to 66,146.94, 99,089.19 and 30,979.98 is: 46,408.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,146.94 : 99,089.19 = 30,979.98 : x
  2. Step 2: Convert to fraction form
    66,146.94/99,089.19 = 30,979.98/x
  3. Step 3: Cross multiply
    66,146.94x = 99,089.19 × 30,979.98
  4. Step 4: Simplify right side
    66,146.94x = 3,069,781,124.42
  5. Step 5: Solve for x
    x = 3,069,781,124.42/66,146.94
  6. Step 6: Final answer
    x = 46,408.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.