Home / 106,603.19-159,904.76-31,724.40

Finding the Fourth Proportional to 106,603.19, 159,904.76 and 31,724.40

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Solution

The fourth proportional to 106,603.19, 159,904.76 and 31,724.40 is: 47,586.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,603.19 : 159,904.76 = 31,724.40 : x
  2. Step 2: Convert to fraction form
    106,603.19/159,904.76 = 31,724.40/x
  3. Step 3: Cross multiply
    106,603.19x = 159,904.76 × 31,724.40
  4. Step 4: Simplify right side
    106,603.19x = 5,072,882,409.52
  5. Step 5: Solve for x
    x = 5,072,882,409.52/106,603.19
  6. Step 6: Final answer
    x = 47,586.59

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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.