Home / 103,851.72-155,674.06-43,895.32

Finding the Fourth Proportional to 103,851.72, 155,674.06 and 43,895.32

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Solution

The fourth proportional to 103,851.72, 155,674.06 and 43,895.32 is: 65,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,851.72 : 155,674.06 = 43,895.32 : x
  2. Step 2: Convert to fraction form
    103,851.72/155,674.06 = 43,895.32/x
  3. Step 3: Cross multiply
    103,851.72x = 155,674.06 × 43,895.32
  4. Step 4: Simplify right side
    103,851.72x = 6,833,362,679.40
  5. Step 5: Solve for x
    x = 6,833,362,679.40/103,851.72
  6. Step 6: Final answer
    x = 65,799.22

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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.