Home / 105,947.07-158,927.36-31,065.81

Finding the Fourth Proportional to 105,947.07, 158,927.36 and 31,065.81

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Solution

The fourth proportional to 105,947.07, 158,927.36 and 31,065.81 is: 46,600.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,947.07 : 158,927.36 = 31,065.81 : x
  2. Step 2: Convert to fraction form
    105,947.07/158,927.36 = 31,065.81/x
  3. Step 3: Cross multiply
    105,947.07x = 158,927.36 × 31,065.81
  4. Step 4: Simplify right side
    105,947.07x = 4,937,207,014.23
  5. Step 5: Solve for x
    x = 4,937,207,014.23/105,947.07
  6. Step 6: Final answer
    x = 46,600.69

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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.