Home / 57,928.93-79,900.70-53,164.26

Finding the Fourth Proportional to 57,928.93, 79,900.70 and 53,164.26

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Solution

The fourth proportional to 57,928.93, 79,900.70 and 53,164.26 is: 73,328.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,928.93 : 79,900.70 = 53,164.26 : x
  2. Step 2: Convert to fraction form
    57,928.93/79,900.70 = 53,164.26/x
  3. Step 3: Cross multiply
    57,928.93x = 79,900.70 × 53,164.26
  4. Step 4: Simplify right side
    57,928.93x = 4,247,861,323.16
  5. Step 5: Solve for x
    x = 4,247,861,323.16/57,928.93
  6. Step 6: Final answer
    x = 73,328.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.