Home / 75,406.51-104,056.81-41,419.45

Finding the Fourth Proportional to 75,406.51, 104,056.81 and 41,419.45

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Solution

The fourth proportional to 75,406.51, 104,056.81 and 41,419.45 is: 57,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,406.51 : 104,056.81 = 41,419.45 : x
  2. Step 2: Convert to fraction form
    75,406.51/104,056.81 = 41,419.45/x
  3. Step 3: Cross multiply
    75,406.51x = 104,056.81 × 41,419.45
  4. Step 4: Simplify right side
    75,406.51x = 4,309,975,838.95
  5. Step 5: Solve for x
    x = 4,309,975,838.95/75,406.51
  6. Step 6: Final answer
    x = 57,156.55

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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.