Home / 89,106.29-122,966.68-48,821.58

Finding the Fourth Proportional to 89,106.29, 122,966.68 and 48,821.58

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Solution

The fourth proportional to 89,106.29, 122,966.68 and 48,821.58 is: 67,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,106.29 : 122,966.68 = 48,821.58 : x
  2. Step 2: Convert to fraction form
    89,106.29/122,966.68 = 48,821.58/x
  3. Step 3: Cross multiply
    89,106.29x = 122,966.68 × 48,821.58
  4. Step 4: Simplify right side
    89,106.29x = 6,003,427,604.95
  5. Step 5: Solve for x
    x = 6,003,427,604.95/89,106.29
  6. Step 6: Final answer
    x = 67,373.78

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1.5x scale

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.