Home / 89,038.65-122,874.75-48,751.71

Finding the Fourth Proportional to 89,038.65, 122,874.75 and 48,751.71

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Solution

The fourth proportional to 89,038.65, 122,874.75 and 48,751.71 is: 67,278.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,038.65 : 122,874.75 = 48,751.71 : x
  2. Step 2: Convert to fraction form
    89,038.65/122,874.75 = 48,751.71/x
  3. Step 3: Cross multiply
    89,038.65x = 122,874.75 × 48,751.71
  4. Step 4: Simplify right side
    89,038.65x = 5,990,354,178.32
  5. Step 5: Solve for x
    x = 5,990,354,178.32/89,038.65
  6. Step 6: Final answer
    x = 67,278.13

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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.