Home / 70,564.90-105,825.04-23,172.18

Finding the Fourth Proportional to 70,564.90, 105,825.04 and 23,172.18

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Solution

The fourth proportional to 70,564.90, 105,825.04 and 23,172.18 is: 34,750.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,564.90 : 105,825.04 = 23,172.18 : x
  2. Step 2: Convert to fraction form
    70,564.90/105,825.04 = 23,172.18/x
  3. Step 3: Cross multiply
    70,564.90x = 105,825.04 × 23,172.18
  4. Step 4: Simplify right side
    70,564.90x = 2,452,196,485.78
  5. Step 5: Solve for x
    x = 2,452,196,485.78/70,564.90
  6. Step 6: Final answer
    x = 34,750.94

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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.