Home / 77,632.14-116,448.21-61,976.46

Finding the Fourth Proportional to 77,632.14, 116,448.21 and 61,976.46

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Solution

The fourth proportional to 77,632.14, 116,448.21 and 61,976.46 is: 92,964.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,632.14 : 116,448.21 = 61,976.46 : x
  2. Step 2: Convert to fraction form
    77,632.14/116,448.21 = 61,976.46/x
  3. Step 3: Cross multiply
    77,632.14x = 116,448.21 × 61,976.46
  4. Step 4: Simplify right side
    77,632.14x = 7,217,047,829.14
  5. Step 5: Solve for x
    x = 7,217,047,829.14/77,632.14
  6. Step 6: Final answer
    x = 92,964.69

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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.