Home / 63,361.58-87,334.00-45,428.18

Finding the Fourth Proportional to 63,361.58, 87,334.00 and 45,428.18

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Solution

The fourth proportional to 63,361.58, 87,334.00 and 45,428.18 is: 62,615.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,361.58 : 87,334.00 = 45,428.18 : x
  2. Step 2: Convert to fraction form
    63,361.58/87,334.00 = 45,428.18/x
  3. Step 3: Cross multiply
    63,361.58x = 87,334.00 × 45,428.18
  4. Step 4: Simplify right side
    63,361.58x = 3,967,424,121.88
  5. Step 5: Solve for x
    x = 3,967,424,121.88/63,361.58
  6. Step 6: Final answer
    x = 62,615.62

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1.5x scale

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.