Home / 89,521.04-123,536.64-49,238.92

Finding the Fourth Proportional to 89,521.04, 123,536.64 and 49,238.92

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Solution

The fourth proportional to 89,521.04, 123,536.64 and 49,238.92 is: 67,948.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,521.04 : 123,536.64 = 49,238.92 : x
  2. Step 2: Convert to fraction form
    89,521.04/123,536.64 = 49,238.92/x
  3. Step 3: Cross multiply
    89,521.04x = 123,536.64 × 49,238.92
  4. Step 4: Simplify right side
    89,521.04x = 6,082,810,734.03
  5. Step 5: Solve for x
    x = 6,082,810,734.03/89,521.04
  6. Step 6: Final answer
    x = 67,948.39

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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.