Home / 89,038.53-122,869.37-48,751.56

Finding the Fourth Proportional to 89,038.53, 122,869.37 and 48,751.56

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Solution

The fourth proportional to 89,038.53, 122,869.37 and 48,751.56 is: 67,275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,038.53 : 122,869.37 = 48,751.56 : x
  2. Step 2: Convert to fraction form
    89,038.53/122,869.37 = 48,751.56/x
  3. Step 3: Cross multiply
    89,038.53x = 122,869.37 × 48,751.56
  4. Step 4: Simplify right side
    89,038.53x = 5,990,073,219.96
  5. Step 5: Solve for x
    x = 5,990,073,219.96/89,038.53
  6. Step 6: Final answer
    x = 67,275.07

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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.