Home / 76,716.81-105,880.92-46,507.05

Finding the Fourth Proportional to 76,716.81, 105,880.92 and 46,507.05

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Solution

The fourth proportional to 76,716.81, 105,880.92 and 46,507.05 is: 64,186.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,716.81 : 105,880.92 = 46,507.05 : x
  2. Step 2: Convert to fraction form
    76,716.81/105,880.92 = 46,507.05/x
  3. Step 3: Cross multiply
    76,716.81x = 105,880.92 × 46,507.05
  4. Step 4: Simplify right side
    76,716.81x = 4,924,209,240.49
  5. Step 5: Solve for x
    x = 4,924,209,240.49/76,716.81
  6. Step 6: Final answer
    x = 64,186.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.