Home / 89,106.17-122,966.51-48,821.46

Finding the Fourth Proportional to 89,106.17, 122,966.51 and 48,821.46

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Solution

The fourth proportional to 89,106.17, 122,966.51 and 48,821.46 is: 67,373.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,106.17 : 122,966.51 = 48,821.46 : x
  2. Step 2: Convert to fraction form
    89,106.17/122,966.51 = 48,821.46/x
  3. Step 3: Cross multiply
    89,106.17x = 122,966.51 × 48,821.46
  4. Step 4: Simplify right side
    89,106.17x = 6,003,404,305.20
  5. Step 5: Solve for x
    x = 6,003,404,305.20/89,106.17
  6. Step 6: Final answer
    x = 67,373.61

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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.