Home / 106,407.51-159,612.84-31,535.25

Finding the Fourth Proportional to 106,407.51, 159,612.84 and 31,535.25

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Solution

The fourth proportional to 106,407.51, 159,612.84 and 31,535.25 is: 47,303.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,407.51 : 159,612.84 = 31,535.25 : x
  2. Step 2: Convert to fraction form
    106,407.51/159,612.84 = 31,535.25/x
  3. Step 3: Cross multiply
    106,407.51x = 159,612.84 × 31,535.25
  4. Step 4: Simplify right side
    106,407.51x = 5,033,429,856.87
  5. Step 5: Solve for x
    x = 5,033,429,856.87/106,407.51
  6. Step 6: Final answer
    x = 47,303.34

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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.