Home / 85,666.63-118,232.32-49,361.12

Finding the Fourth Proportional to 85,666.63, 118,232.32 and 49,361.12

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Solution

The fourth proportional to 85,666.63, 118,232.32 and 49,361.12 is: 68,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,666.63 : 118,232.32 = 49,361.12 : x
  2. Step 2: Convert to fraction form
    85,666.63/118,232.32 = 49,361.12/x
  3. Step 3: Cross multiply
    85,666.63x = 118,232.32 × 49,361.12
  4. Step 4: Simplify right side
    85,666.63x = 5,836,079,735.40
  5. Step 5: Solve for x
    x = 5,836,079,735.40/85,666.63
  6. Step 6: Final answer
    x = 68,125.47

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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.