Home / 77,974.74-116,865.20-35,810.10

Finding the Fourth Proportional to 77,974.74, 116,865.20 and 35,810.10

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Solution

The fourth proportional to 77,974.74, 116,865.20 and 35,810.10 is: 53,670.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,974.74 : 116,865.20 = 35,810.10 : x
  2. Step 2: Convert to fraction form
    77,974.74/116,865.20 = 35,810.10/x
  3. Step 3: Cross multiply
    77,974.74x = 116,865.20 × 35,810.10
  4. Step 4: Simplify right side
    77,974.74x = 4,184,954,588.05
  5. Step 5: Solve for x
    x = 4,184,954,588.05/77,974.74
  6. Step 6: Final answer
    x = 53,670.64

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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.