Home / 75,811.14-104,656.86-58,776.84

Finding the Fourth Proportional to 75,811.14, 104,656.86 and 58,776.84

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Solution

The fourth proportional to 75,811.14, 104,656.86 and 58,776.84 is: 81,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,811.14 : 104,656.86 = 58,776.84 : x
  2. Step 2: Convert to fraction form
    75,811.14/104,656.86 = 58,776.84/x
  3. Step 3: Cross multiply
    75,811.14x = 104,656.86 × 58,776.84
  4. Step 4: Simplify right side
    75,811.14x = 6,151,399,515.12
  5. Step 5: Solve for x
    x = 6,151,399,515.12/75,811.14
  6. Step 6: Final answer
    x = 81,141.10

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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.