Home / 70,365.30-105,548.16-17,057.06

Finding the Fourth Proportional to 70,365.30, 105,548.16 and 17,057.06

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Solution

The fourth proportional to 70,365.30, 105,548.16 and 17,057.06 is: 25,585.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,365.30 : 105,548.16 = 17,057.06 : x
  2. Step 2: Convert to fraction form
    70,365.30/105,548.16 = 17,057.06/x
  3. Step 3: Cross multiply
    70,365.30x = 105,548.16 × 17,057.06
  4. Step 4: Simplify right side
    70,365.30x = 1,800,341,298.01
  5. Step 5: Solve for x
    x = 1,800,341,298.01/70,365.30
  6. Step 6: Final answer
    x = 25,585.64

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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.