Home / 52,928.52-79,392.96-13,485.60

Finding the Fourth Proportional to 52,928.52, 79,392.96 and 13,485.60

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Solution

The fourth proportional to 52,928.52, 79,392.96 and 13,485.60 is: 20,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,928.52 : 79,392.96 = 13,485.60 : x
  2. Step 2: Convert to fraction form
    52,928.52/79,392.96 = 13,485.60/x
  3. Step 3: Cross multiply
    52,928.52x = 79,392.96 × 13,485.60
  4. Step 4: Simplify right side
    52,928.52x = 1,070,661,701.38
  5. Step 5: Solve for x
    x = 1,070,661,701.38/52,928.52
  6. Step 6: Final answer
    x = 20,228.45

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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.