Home / 122,718.75-184,080.40-38,477.03

Finding the Fourth Proportional to 122,718.75, 184,080.40 and 38,477.03

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Solution

The fourth proportional to 122,718.75, 184,080.40 and 38,477.03 is: 57,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,718.75 : 184,080.40 = 38,477.03 : x
  2. Step 2: Convert to fraction form
    122,718.75/184,080.40 = 38,477.03/x
  3. Step 3: Cross multiply
    122,718.75x = 184,080.40 × 38,477.03
  4. Step 4: Simplify right side
    122,718.75x = 7,082,866,056.62
  5. Step 5: Solve for x
    x = 7,082,866,056.62/122,718.75
  6. Step 6: Final answer
    x = 57,716.25

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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.