Home / 66,485.14-99,738.15-27,045.70

Finding the Fourth Proportional to 66,485.14, 99,738.15 and 27,045.70

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Solution

The fourth proportional to 66,485.14, 99,738.15 and 27,045.70 is: 40,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,485.14 : 99,738.15 = 27,045.70 : x
  2. Step 2: Convert to fraction form
    66,485.14/99,738.15 = 27,045.70/x
  3. Step 3: Cross multiply
    66,485.14x = 99,738.15 × 27,045.70
  4. Step 4: Simplify right side
    66,485.14x = 2,697,488,083.46
  5. Step 5: Solve for x
    x = 2,697,488,083.46/66,485.14
  6. Step 6: Final answer
    x = 40,572.80

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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.