Home / 105,790.81-158,685.53-26,904.35

Finding the Fourth Proportional to 105,790.81, 158,685.53 and 26,904.35

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Solution

The fourth proportional to 105,790.81, 158,685.53 and 26,904.35 is: 40,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,790.81 : 158,685.53 = 26,904.35 : x
  2. Step 2: Convert to fraction form
    105,790.81/158,685.53 = 26,904.35/x
  3. Step 3: Cross multiply
    105,790.81x = 158,685.53 × 26,904.35
  4. Step 4: Simplify right side
    105,790.81x = 4,269,331,452.58
  5. Step 5: Solve for x
    x = 4,269,331,452.58/105,790.81
  6. Step 6: Final answer
    x = 40,356.35

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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.