Home / 89,038.83-122,873.54-48,752.57

Finding the Fourth Proportional to 89,038.83, 122,873.54 and 48,752.57

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Solution

The fourth proportional to 89,038.83, 122,873.54 and 48,752.57 is: 67,278.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,038.83 : 122,873.54 = 48,752.57 : x
  2. Step 2: Convert to fraction form
    89,038.83/122,873.54 = 48,752.57/x
  3. Step 3: Cross multiply
    89,038.83x = 122,873.54 × 48,752.57
  4. Step 4: Simplify right side
    89,038.83x = 5,990,400,001.87
  5. Step 5: Solve for x
    x = 5,990,400,001.87/89,038.83
  6. Step 6: Final answer
    x = 67,278.51

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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.