Home / 77,388.06-116,117.64-45,860.64

Finding the Fourth Proportional to 77,388.06, 116,117.64 and 45,860.64

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Solution

The fourth proportional to 77,388.06, 116,117.64 and 45,860.64 is: 68,812.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,388.06 : 116,117.64 = 45,860.64 : x
  2. Step 2: Convert to fraction form
    77,388.06/116,117.64 = 45,860.64/x
  3. Step 3: Cross multiply
    77,388.06x = 116,117.64 × 45,860.64
  4. Step 4: Simplify right side
    77,388.06x = 5,325,229,285.69
  5. Step 5: Solve for x
    x = 5,325,229,285.69/77,388.06
  6. Step 6: Final answer
    x = 68,812.03

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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.