Home / 66,519.78-99,476.55-49,664.58

Finding the Fourth Proportional to 66,519.78, 99,476.55 and 49,664.58

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Solution

The fourth proportional to 66,519.78, 99,476.55 and 49,664.58 is: 74,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,519.78 : 99,476.55 = 49,664.58 : x
  2. Step 2: Convert to fraction form
    66,519.78/99,476.55 = 49,664.58/x
  3. Step 3: Cross multiply
    66,519.78x = 99,476.55 × 49,664.58
  4. Step 4: Simplify right side
    66,519.78x = 4,940,461,075.60
  5. Step 5: Solve for x
    x = 4,940,461,075.60/66,519.78
  6. Step 6: Final answer
    x = 74,270.56

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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.