Home / 89,038.03-122,868.68-48,751.06

Finding the Fourth Proportional to 89,038.03, 122,868.68 and 48,751.06

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Solution

The fourth proportional to 89,038.03, 122,868.68 and 48,751.06 is: 67,274.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,038.03 : 122,868.68 = 48,751.06 : x
  2. Step 2: Convert to fraction form
    89,038.03/122,868.68 = 48,751.06/x
  3. Step 3: Cross multiply
    89,038.03x = 122,868.68 × 48,751.06
  4. Step 4: Simplify right side
    89,038.03x = 5,989,978,390.80
  5. Step 5: Solve for x
    x = 5,989,978,390.80/89,038.03
  6. Step 6: Final answer
    x = 67,274.38

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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.