Home / 77,826.42-116,776.08-38,362.01

Finding the Fourth Proportional to 77,826.42, 116,776.08 and 38,362.01

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Solution

The fourth proportional to 77,826.42, 116,776.08 and 38,362.01 is: 57,560.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,826.42 : 116,776.08 = 38,362.01 : x
  2. Step 2: Convert to fraction form
    77,826.42/116,776.08 = 38,362.01/x
  3. Step 3: Cross multiply
    77,826.42x = 116,776.08 × 38,362.01
  4. Step 4: Simplify right side
    77,826.42x = 4,479,764,564.84
  5. Step 5: Solve for x
    x = 4,479,764,564.84/77,826.42
  6. Step 6: Final answer
    x = 57,560.97

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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.