Home / 70,688.47-106,048.40-23,318.26

Finding the Fourth Proportional to 70,688.47, 106,048.40 and 23,318.26

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Solution

The fourth proportional to 70,688.47, 106,048.40 and 23,318.26 is: 34,982.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,688.47 : 106,048.40 = 23,318.26 : x
  2. Step 2: Convert to fraction form
    70,688.47/106,048.40 = 23,318.26/x
  3. Step 3: Cross multiply
    70,688.47x = 106,048.40 × 23,318.26
  4. Step 4: Simplify right side
    70,688.47x = 2,472,864,163.78
  5. Step 5: Solve for x
    x = 2,472,864,163.78/70,688.47
  6. Step 6: Final answer
    x = 34,982.57

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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.