Home / 89,099.32-122,955.24-48,811.12

Finding the Fourth Proportional to 89,099.32, 122,955.24 and 48,811.12

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Solution

The fourth proportional to 89,099.32, 122,955.24 and 48,811.12 is: 67,358.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,099.32 : 122,955.24 = 48,811.12 : x
  2. Step 2: Convert to fraction form
    89,099.32/122,955.24 = 48,811.12/x
  3. Step 3: Cross multiply
    89,099.32x = 122,955.24 × 48,811.12
  4. Step 4: Simplify right side
    89,099.32x = 6,001,582,974.27
  5. Step 5: Solve for x
    x = 6,001,582,974.27/89,099.32
  6. Step 6: Final answer
    x = 67,358.35

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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.