Home / 74,816.64-112,015.44-56,361.60

Finding the Fourth Proportional to 74,816.64, 112,015.44 and 56,361.60

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Solution

The fourth proportional to 74,816.64, 112,015.44 and 56,361.60 is: 84,384.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,816.64 : 112,015.44 = 56,361.60 : x
  2. Step 2: Convert to fraction form
    74,816.64/112,015.44 = 56,361.60/x
  3. Step 3: Cross multiply
    74,816.64x = 112,015.44 × 56,361.60
  4. Step 4: Simplify right side
    74,816.64x = 6,313,369,423.10
  5. Step 5: Solve for x
    x = 6,313,369,423.10/74,816.64
  6. Step 6: Final answer
    x = 84,384.56

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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.