Home / 89,127.76-122,990.97-48,833.50

Finding the Fourth Proportional to 89,127.76, 122,990.97 and 48,833.50

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Solution

The fourth proportional to 89,127.76, 122,990.97 and 48,833.50 is: 67,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,127.76 : 122,990.97 = 48,833.50 : x
  2. Step 2: Convert to fraction form
    89,127.76/122,990.97 = 48,833.50/x
  3. Step 3: Cross multiply
    89,127.76x = 122,990.97 × 48,833.50
  4. Step 4: Simplify right side
    89,127.76x = 6,006,079,533.50
  5. Step 5: Solve for x
    x = 6,006,079,533.50/89,127.76
  6. Step 6: Final answer
    x = 67,387.30

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1.5x scale

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.