Home / 77,816.35-116,706.10-35,670.16

Finding the Fourth Proportional to 77,816.35, 116,706.10 and 35,670.16

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Solution

The fourth proportional to 77,816.35, 116,706.10 and 35,670.16 is: 53,496.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,816.35 : 116,706.10 = 35,670.16 : x
  2. Step 2: Convert to fraction form
    77,816.35/116,706.10 = 35,670.16/x
  3. Step 3: Cross multiply
    77,816.35x = 116,706.10 × 35,670.16
  4. Step 4: Simplify right side
    77,816.35x = 4,162,925,259.98
  5. Step 5: Solve for x
    x = 4,162,925,259.98/77,816.35
  6. Step 6: Final answer
    x = 53,496.79

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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.