Home / 88,912.90-122,701.26-53,106.04

Finding the Fourth Proportional to 88,912.90, 122,701.26 and 53,106.04

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Solution

The fourth proportional to 88,912.90, 122,701.26 and 53,106.04 is: 73,287.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,912.90 : 122,701.26 = 53,106.04 : x
  2. Step 2: Convert to fraction form
    88,912.90/122,701.26 = 53,106.04/x
  3. Step 3: Cross multiply
    88,912.90x = 122,701.26 × 53,106.04
  4. Step 4: Simplify right side
    88,912.90x = 6,516,178,021.61
  5. Step 5: Solve for x
    x = 6,516,178,021.61/88,912.90
  6. Step 6: Final answer
    x = 73,287.21

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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.