Home / 66,102.15-99,054.78-36,528.45

Finding the Fourth Proportional to 66,102.15, 99,054.78 and 36,528.45

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Solution

The fourth proportional to 66,102.15, 99,054.78 and 36,528.45 is: 54,738.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,102.15 : 99,054.78 = 36,528.45 : x
  2. Step 2: Convert to fraction form
    66,102.15/99,054.78 = 36,528.45/x
  3. Step 3: Cross multiply
    66,102.15x = 99,054.78 × 36,528.45
  4. Step 4: Simplify right side
    66,102.15x = 3,618,317,578.49
  5. Step 5: Solve for x
    x = 3,618,317,578.49/66,102.15
  6. Step 6: Final answer
    x = 54,738.27

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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.