Home / 88,938.16-122,735.64-48,651.04

Finding the Fourth Proportional to 88,938.16, 122,735.64 and 48,651.04

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Solution

The fourth proportional to 88,938.16, 122,735.64 and 48,651.04 is: 67,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,938.16 : 122,735.64 = 48,651.04 : x
  2. Step 2: Convert to fraction form
    88,938.16/122,735.64 = 48,651.04/x
  3. Step 3: Cross multiply
    88,938.16x = 122,735.64 × 48,651.04
  4. Step 4: Simplify right side
    88,938.16x = 5,971,216,531.07
  5. Step 5: Solve for x
    x = 5,971,216,531.07/88,938.16
  6. Step 6: Final answer
    x = 67,138.97

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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.