Home / 105,814.06-158,513.38-61,347.36

Finding the Fourth Proportional to 105,814.06, 158,513.38 and 61,347.36

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Solution

The fourth proportional to 105,814.06, 158,513.38 and 61,347.36 is: 91,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,814.06 : 158,513.38 = 61,347.36 : x
  2. Step 2: Convert to fraction form
    105,814.06/158,513.38 = 61,347.36/x
  3. Step 3: Cross multiply
    105,814.06x = 158,513.38 × 61,347.36
  4. Step 4: Simplify right side
    105,814.06x = 9,724,377,387.68
  5. Step 5: Solve for x
    x = 9,724,377,387.68/105,814.06
  6. Step 6: Final answer
    x = 91,900.62

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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.