Home / 66,220.49-99,205.56-51,253.22

Finding the Fourth Proportional to 66,220.49, 99,205.56 and 51,253.22

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Solution

The fourth proportional to 66,220.49, 99,205.56 and 51,253.22 is: 76,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,220.49 : 99,205.56 = 51,253.22 : x
  2. Step 2: Convert to fraction form
    66,220.49/99,205.56 = 51,253.22/x
  3. Step 3: Cross multiply
    66,220.49x = 99,205.56 × 51,253.22
  4. Step 4: Simplify right side
    66,220.49x = 5,084,603,895.88
  5. Step 5: Solve for x
    x = 5,084,603,895.88/66,220.49
  6. Step 6: Final answer
    x = 76,782.95

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1.5x scale

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.