Home / 105,346.44-145,383.48-57,599.28

Finding the Fourth Proportional to 105,346.44, 145,383.48 and 57,599.28

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Solution

The fourth proportional to 105,346.44, 145,383.48 and 57,599.28 is: 79,489.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,346.44 : 145,383.48 = 57,599.28 : x
  2. Step 2: Convert to fraction form
    105,346.44/145,383.48 = 57,599.28/x
  3. Step 3: Cross multiply
    105,346.44x = 145,383.48 × 57,599.28
  4. Step 4: Simplify right side
    105,346.44x = 8,373,983,771.89
  5. Step 5: Solve for x
    x = 8,373,983,771.89/105,346.44
  6. Step 6: Final answer
    x = 79,489.95

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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.