Home / 88,729.41-122,448.32-48,443.28

Finding the Fourth Proportional to 88,729.41, 122,448.32 and 48,443.28

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Solution

The fourth proportional to 88,729.41, 122,448.32 and 48,443.28 is: 66,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,729.41 : 122,448.32 = 48,443.28 : x
  2. Step 2: Convert to fraction form
    88,729.41/122,448.32 = 48,443.28/x
  3. Step 3: Cross multiply
    88,729.41x = 122,448.32 × 48,443.28
  4. Step 4: Simplify right side
    88,729.41x = 5,931,798,251.29
  5. Step 5: Solve for x
    x = 5,931,798,251.29/88,729.41
  6. Step 6: Final answer
    x = 66,852.67

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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.