Home / 88,911.46-122,817.63-71,133.58

Finding the Fourth Proportional to 88,911.46, 122,817.63 and 71,133.58

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Solution

The fourth proportional to 88,911.46, 122,817.63 and 71,133.58 is: 98,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,911.46 : 122,817.63 = 71,133.58 : x
  2. Step 2: Convert to fraction form
    88,911.46/122,817.63 = 71,133.58/x
  3. Step 3: Cross multiply
    88,911.46x = 122,817.63 × 71,133.58
  4. Step 4: Simplify right side
    88,911.46x = 8,736,457,709.02
  5. Step 5: Solve for x
    x = 8,736,457,709.02/88,911.46
  6. Step 6: Final answer
    x = 98,260.20

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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.