Home / 89,011.08-122,834.58-48,724.02

Finding the Fourth Proportional to 89,011.08, 122,834.58 and 48,724.02

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Solution

The fourth proportional to 89,011.08, 122,834.58 and 48,724.02 is: 67,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,011.08 : 122,834.58 = 48,724.02 : x
  2. Step 2: Convert to fraction form
    89,011.08/122,834.58 = 48,724.02/x
  3. Step 3: Cross multiply
    89,011.08x = 122,834.58 × 48,724.02
  4. Step 4: Simplify right side
    89,011.08x = 5,984,994,532.61
  5. Step 5: Solve for x
    x = 5,984,994,532.61/89,011.08
  6. Step 6: Final answer
    x = 67,238.76

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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.