Home / 89,461.77-123,455.86-49,174.67

Finding the Fourth Proportional to 89,461.77, 123,455.86 and 49,174.67

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Solution

The fourth proportional to 89,461.77, 123,455.86 and 49,174.67 is: 67,860.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,461.77 : 123,455.86 = 49,174.67 : x
  2. Step 2: Convert to fraction form
    89,461.77/123,455.86 = 49,174.67/x
  3. Step 3: Cross multiply
    89,461.77x = 123,455.86 × 49,174.67
  4. Step 4: Simplify right side
    89,461.77x = 6,070,901,175.07
  5. Step 5: Solve for x
    x = 6,070,901,175.07/89,461.77
  6. Step 6: Final answer
    x = 67,860.28

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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.