Home / 106,417.25-159,650.93-31,538.01

Finding the Fourth Proportional to 106,417.25, 159,650.93 and 31,538.01

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Solution

The fourth proportional to 106,417.25, 159,650.93 and 31,538.01 is: 47,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,417.25 : 159,650.93 = 31,538.01 : x
  2. Step 2: Convert to fraction form
    106,417.25/159,650.93 = 31,538.01/x
  3. Step 3: Cross multiply
    106,417.25x = 159,650.93 × 31,538.01
  4. Step 4: Simplify right side
    106,417.25x = 5,035,073,304.39
  5. Step 5: Solve for x
    x = 5,035,073,304.39/106,417.25
  6. Step 6: Final answer
    x = 47,314.45

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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.