Home / 105,790.17-158,685.84-26,904.45

Finding the Fourth Proportional to 105,790.17, 158,685.84 and 26,904.45

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Solution

The fourth proportional to 105,790.17, 158,685.84 and 26,904.45 is: 40,356.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,790.17 : 158,685.84 = 26,904.45 : x
  2. Step 2: Convert to fraction form
    105,790.17/158,685.84 = 26,904.45/x
  3. Step 3: Cross multiply
    105,790.17x = 158,685.84 × 26,904.45
  4. Step 4: Simplify right side
    105,790.17x = 4,269,355,247.99
  5. Step 5: Solve for x
    x = 4,269,355,247.99/105,790.17
  6. Step 6: Final answer
    x = 40,356.82

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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.