Home / 97,231.60-145,523.40-70,501.60

Finding the Fourth Proportional to 97,231.60, 145,523.40 and 70,501.60

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Solution

The fourth proportional to 97,231.60, 145,523.40 and 70,501.60 is: 105,517.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,231.60 : 145,523.40 = 70,501.60 : x
  2. Step 2: Convert to fraction form
    97,231.60/145,523.40 = 70,501.60/x
  3. Step 3: Cross multiply
    97,231.60x = 145,523.40 × 70,501.60
  4. Step 4: Simplify right side
    97,231.60x = 10,259,632,537.44
  5. Step 5: Solve for x
    x = 10,259,632,537.44/97,231.60
  6. Step 6: Final answer
    x = 105,517.47

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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.