Home / 105,155.41-157,601.85-52,579.93

Finding the Fourth Proportional to 105,155.41, 157,601.85 and 52,579.93

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Solution

The fourth proportional to 105,155.41, 157,601.85 and 52,579.93 is: 78,804.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,155.41 : 157,601.85 = 52,579.93 : x
  2. Step 2: Convert to fraction form
    105,155.41/157,601.85 = 52,579.93/x
  3. Step 3: Cross multiply
    105,155.41x = 157,601.85 × 52,579.93
  4. Step 4: Simplify right side
    105,155.41x = 8,286,694,240.87
  5. Step 5: Solve for x
    x = 8,286,694,240.87/105,155.41
  6. Step 6: Final answer
    x = 78,804.26

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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.