Home / 111,973.02-167,969.25-40,915.14

Finding the Fourth Proportional to 111,973.02, 167,969.25 and 40,915.14

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Solution

The fourth proportional to 111,973.02, 167,969.25 and 40,915.14 is: 61,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,973.02 : 167,969.25 = 40,915.14 : x
  2. Step 2: Convert to fraction form
    111,973.02/167,969.25 = 40,915.14/x
  3. Step 3: Cross multiply
    111,973.02x = 167,969.25 × 40,915.14
  4. Step 4: Simplify right side
    111,973.02x = 6,872,485,379.45
  5. Step 5: Solve for x
    x = 6,872,485,379.45/111,973.02
  6. Step 6: Final answer
    x = 61,376.26

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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.