Home / 105,869.47-158,803.27-46,705.19

Finding the Fourth Proportional to 105,869.47, 158,803.27 and 46,705.19

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Solution

The fourth proportional to 105,869.47, 158,803.27 and 46,705.19 is: 70,057.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,869.47 : 158,803.27 = 46,705.19 : x
  2. Step 2: Convert to fraction form
    105,869.47/158,803.27 = 46,705.19/x
  3. Step 3: Cross multiply
    105,869.47x = 158,803.27 × 46,705.19
  4. Step 4: Simplify right side
    105,869.47x = 7,416,936,897.97
  5. Step 5: Solve for x
    x = 7,416,936,897.97/105,869.47
  6. Step 6: Final answer
    x = 70,057.37

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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.