Home / 106,456.53-159,657.55-31,559.17

Finding the Fourth Proportional to 106,456.53, 159,657.55 and 31,559.17

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Solution

The fourth proportional to 106,456.53, 159,657.55 and 31,559.17 is: 47,330.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,456.53 : 159,657.55 = 31,559.17 : x
  2. Step 2: Convert to fraction form
    106,456.53/159,657.55 = 31,559.17/x
  3. Step 3: Cross multiply
    106,456.53x = 159,657.55 × 31,559.17
  4. Step 4: Simplify right side
    106,456.53x = 5,038,659,762.23
  5. Step 5: Solve for x
    x = 5,038,659,762.23/106,456.53
  6. Step 6: Final answer
    x = 47,330.68

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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.