Home / 57,715.54-86,603.76-40,956.82

Finding the Fourth Proportional to 57,715.54, 86,603.76 and 40,956.82

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Solution

The fourth proportional to 57,715.54, 86,603.76 and 40,956.82 is: 61,456.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,715.54 : 86,603.76 = 40,956.82 : x
  2. Step 2: Convert to fraction form
    57,715.54/86,603.76 = 40,956.82/x
  3. Step 3: Cross multiply
    57,715.54x = 86,603.76 × 40,956.82
  4. Step 4: Simplify right side
    57,715.54x = 3,547,014,609.64
  5. Step 5: Solve for x
    x = 3,547,014,609.64/57,715.54
  6. Step 6: Final answer
    x = 61,456.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.