Home / 106,244.81-159,330.07-31,345.07

Finding the Fourth Proportional to 106,244.81, 159,330.07 and 31,345.07

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Solution

The fourth proportional to 106,244.81, 159,330.07 and 31,345.07 is: 47,006.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,244.81 : 159,330.07 = 31,345.07 : x
  2. Step 2: Convert to fraction form
    106,244.81/159,330.07 = 31,345.07/x
  3. Step 3: Cross multiply
    106,244.81x = 159,330.07 × 31,345.07
  4. Step 4: Simplify right side
    106,244.81x = 4,994,212,040.53
  5. Step 5: Solve for x
    x = 4,994,212,040.53/106,244.81
  6. Step 6: Final answer
    x = 47,006.64

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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.