Home / 90,361.04-124,697.24-49,525.50

Finding the Fourth Proportional to 90,361.04, 124,697.24 and 49,525.50

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Solution

The fourth proportional to 90,361.04, 124,697.24 and 49,525.50 is: 68,344.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,361.04 : 124,697.24 = 49,525.50 : x
  2. Step 2: Convert to fraction form
    90,361.04/124,697.24 = 49,525.50/x
  3. Step 3: Cross multiply
    90,361.04x = 124,697.24 × 49,525.50
  4. Step 4: Simplify right side
    90,361.04x = 6,175,693,283.43
  5. Step 5: Solve for x
    x = 6,175,693,283.43/90,361.04
  6. Step 6: Final answer
    x = 68,344.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.