Home / 88,615.36-122,284.40-50,369.60

Finding the Fourth Proportional to 88,615.36, 122,284.40 and 50,369.60

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Solution

The fourth proportional to 88,615.36, 122,284.40 and 50,369.60 is: 69,507.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,615.36 : 122,284.40 = 50,369.60 : x
  2. Step 2: Convert to fraction form
    88,615.36/122,284.40 = 50,369.60/x
  3. Step 3: Cross multiply
    88,615.36x = 122,284.40 × 50,369.60
  4. Step 4: Simplify right side
    88,615.36x = 6,159,416,138.00
  5. Step 5: Solve for x
    x = 6,159,416,138.00/88,615.36
  6. Step 6: Final answer
    x = 69,507.32

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1.5x scale

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.