Home / 89,056.20-122,897.16-48,769.84

Finding the Fourth Proportional to 89,056.20, 122,897.16 and 48,769.84

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Solution

The fourth proportional to 89,056.20, 122,897.16 and 48,769.84 is: 67,302.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,056.20 : 122,897.16 = 48,769.84 : x
  2. Step 2: Convert to fraction form
    89,056.20/122,897.16 = 48,769.84/x
  3. Step 3: Cross multiply
    89,056.20x = 122,897.16 × 48,769.84
  4. Step 4: Simplify right side
    89,056.20x = 5,993,674,829.65
  5. Step 5: Solve for x
    x = 5,993,674,829.65/89,056.20
  6. Step 6: Final answer
    x = 67,302.16

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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.