Home / 88,639.76-122,323.64-48,353.69

Finding the Fourth Proportional to 88,639.76, 122,323.64 and 48,353.69

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Solution

The fourth proportional to 88,639.76, 122,323.64 and 48,353.69 is: 66,728.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,639.76 : 122,323.64 = 48,353.69 : x
  2. Step 2: Convert to fraction form
    88,639.76/122,323.64 = 48,353.69/x
  3. Step 3: Cross multiply
    88,639.76x = 122,323.64 × 48,353.69
  4. Step 4: Simplify right side
    88,639.76x = 5,914,799,368.23
  5. Step 5: Solve for x
    x = 5,914,799,368.23/88,639.76
  6. Step 6: Final answer
    x = 66,728.51

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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.