Home / 86,465.88-119,378.43-54,244.66

Finding the Fourth Proportional to 86,465.88, 119,378.43 and 54,244.66

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Solution

The fourth proportional to 86,465.88, 119,378.43 and 54,244.66 is: 74,892.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,465.88 : 119,378.43 = 54,244.66 : x
  2. Step 2: Convert to fraction form
    86,465.88/119,378.43 = 54,244.66/x
  3. Step 3: Cross multiply
    86,465.88x = 119,378.43 × 54,244.66
  4. Step 4: Simplify right side
    86,465.88x = 6,475,642,346.68
  5. Step 5: Solve for x
    x = 6,475,642,346.68/86,465.88
  6. Step 6: Final answer
    x = 74,892.46

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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.