Home / 105,708.38-158,547.19-30,808.41

Finding the Fourth Proportional to 105,708.38, 158,547.19 and 30,808.41

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Solution

The fourth proportional to 105,708.38, 158,547.19 and 30,808.41 is: 46,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,708.38 : 158,547.19 = 30,808.41 : x
  2. Step 2: Convert to fraction form
    105,708.38/158,547.19 = 30,808.41/x
  3. Step 3: Cross multiply
    105,708.38x = 158,547.19 × 30,808.41
  4. Step 4: Simplify right side
    105,708.38x = 4,884,586,679.83
  5. Step 5: Solve for x
    x = 4,884,586,679.83/105,708.38
  6. Step 6: Final answer
    x = 46,208.13

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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.