Home / 103,404.81-154,889.25-47,292.17

Finding the Fourth Proportional to 103,404.81, 154,889.25 and 47,292.17

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Solution

The fourth proportional to 103,404.81, 154,889.25 and 47,292.17 is: 70,838.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,404.81 : 154,889.25 = 47,292.17 : x
  2. Step 2: Convert to fraction form
    103,404.81/154,889.25 = 47,292.17/x
  3. Step 3: Cross multiply
    103,404.81x = 154,889.25 × 47,292.17
  4. Step 4: Simplify right side
    103,404.81x = 7,325,047,967.73
  5. Step 5: Solve for x
    x = 7,325,047,967.73/103,404.81
  6. Step 6: Final answer
    x = 70,838.56

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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.