Home / 89,500.15-123,506.88-49,211.51

Finding the Fourth Proportional to 89,500.15, 123,506.88 and 49,211.51

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Solution

The fourth proportional to 89,500.15, 123,506.88 and 49,211.51 is: 67,910.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,500.15 : 123,506.88 = 49,211.51 : x
  2. Step 2: Convert to fraction form
    89,500.15/123,506.88 = 49,211.51/x
  3. Step 3: Cross multiply
    89,500.15x = 123,506.88 × 49,211.51
  4. Step 4: Simplify right side
    89,500.15x = 6,077,960,060.19
  5. Step 5: Solve for x
    x = 6,077,960,060.19/89,500.15
  6. Step 6: Final answer
    x = 67,910.06

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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.