Home / 89,122.76-122,984.07-48,828.50

Finding the Fourth Proportional to 89,122.76, 122,984.07 and 48,828.50

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Solution

The fourth proportional to 89,122.76, 122,984.07 and 48,828.50 is: 67,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,122.76 : 122,984.07 = 48,828.50 : x
  2. Step 2: Convert to fraction form
    89,122.76/122,984.07 = 48,828.50/x
  3. Step 3: Cross multiply
    89,122.76x = 122,984.07 × 48,828.50
  4. Step 4: Simplify right side
    89,122.76x = 6,005,127,662.00
  5. Step 5: Solve for x
    x = 6,005,127,662.00/89,122.76
  6. Step 6: Final answer
    x = 67,380.40

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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.