Home / 106,327.16-159,453.26-31,427.40

Finding the Fourth Proportional to 106,327.16, 159,453.26 and 31,427.40

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Solution

The fourth proportional to 106,327.16, 159,453.26 and 31,427.40 is: 47,130.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,327.16 : 159,453.26 = 31,427.40 : x
  2. Step 2: Convert to fraction form
    106,327.16/159,453.26 = 31,427.40/x
  3. Step 3: Cross multiply
    106,327.16x = 159,453.26 × 31,427.40
  4. Step 4: Simplify right side
    106,327.16x = 5,011,201,383.32
  5. Step 5: Solve for x
    x = 5,011,201,383.32/106,327.16
  6. Step 6: Final answer
    x = 47,130.02

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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.