Home / 89,166.61-122,951.08-56,850.04

Finding the Fourth Proportional to 89,166.61, 122,951.08 and 56,850.04

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Solution

The fourth proportional to 89,166.61, 122,951.08 and 56,850.04 is: 78,390.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,166.61 : 122,951.08 = 56,850.04 : x
  2. Step 2: Convert to fraction form
    89,166.61/122,951.08 = 56,850.04/x
  3. Step 3: Cross multiply
    89,166.61x = 122,951.08 × 56,850.04
  4. Step 4: Simplify right side
    89,166.61x = 6,989,773,816.04
  5. Step 5: Solve for x
    x = 6,989,773,816.04/89,166.61
  6. Step 6: Final answer
    x = 78,390.04

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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.