Home / 106,364.88-159,555.51-31,483.82

Finding the Fourth Proportional to 106,364.88, 159,555.51 and 31,483.82

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Solution

The fourth proportional to 106,364.88, 159,555.51 and 31,483.82 is: 47,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,364.88 : 159,555.51 = 31,483.82 : x
  2. Step 2: Convert to fraction form
    106,364.88/159,555.51 = 31,483.82/x
  3. Step 3: Cross multiply
    106,364.88x = 159,555.51 × 31,483.82
  4. Step 4: Simplify right side
    106,364.88x = 5,023,416,159.07
  5. Step 5: Solve for x
    x = 5,023,416,159.07/106,364.88
  6. Step 6: Final answer
    x = 47,228.15

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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.