Home / 89,038.17-122,872.65-48,751.92

Finding the Fourth Proportional to 89,038.17, 122,872.65 and 48,751.92

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Solution

The fourth proportional to 89,038.17, 122,872.65 and 48,751.92 is: 67,277.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,038.17 : 122,872.65 = 48,751.92 : x
  2. Step 2: Convert to fraction form
    89,038.17/122,872.65 = 48,751.92/x
  3. Step 3: Cross multiply
    89,038.17x = 122,872.65 × 48,751.92
  4. Step 4: Simplify right side
    89,038.17x = 5,990,277,602.99
  5. Step 5: Solve for x
    x = 5,990,277,602.99/89,038.17
  6. Step 6: Final answer
    x = 67,277.64

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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.