Home / 57,709.08-79,460.89-49,192.11

Finding the Fourth Proportional to 57,709.08, 79,460.89 and 49,192.11

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Solution

The fourth proportional to 57,709.08, 79,460.89 and 49,192.11 is: 67,733.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,709.08 : 79,460.89 = 49,192.11 : x
  2. Step 2: Convert to fraction form
    57,709.08/79,460.89 = 49,192.11/x
  3. Step 3: Cross multiply
    57,709.08x = 79,460.89 × 49,192.11
  4. Step 4: Simplify right side
    57,709.08x = 3,908,848,718.60
  5. Step 5: Solve for x
    x = 3,908,848,718.60/57,709.08
  6. Step 6: Final answer
    x = 67,733.69

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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.