Home / 77,477.19-116,215.25-51,299.07

Finding the Fourth Proportional to 77,477.19, 116,215.25 and 51,299.07

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Solution

The fourth proportional to 77,477.19, 116,215.25 and 51,299.07 is: 76,948.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,477.19 : 116,215.25 = 51,299.07 : x
  2. Step 2: Convert to fraction form
    77,477.19/116,215.25 = 51,299.07/x
  3. Step 3: Cross multiply
    77,477.19x = 116,215.25 × 51,299.07
  4. Step 4: Simplify right side
    77,477.19x = 5,961,733,988.32
  5. Step 5: Solve for x
    x = 5,961,733,988.32/77,477.19
  6. Step 6: Final answer
    x = 76,948.25

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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.