Home / 67,717.45-93,465.63-45,057.39

Finding the Fourth Proportional to 67,717.45, 93,465.63 and 45,057.39

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Solution

The fourth proportional to 67,717.45, 93,465.63 and 45,057.39 is: 62,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,717.45 : 93,465.63 = 45,057.39 : x
  2. Step 2: Convert to fraction form
    67,717.45/93,465.63 = 45,057.39/x
  3. Step 3: Cross multiply
    67,717.45x = 93,465.63 × 45,057.39
  4. Step 4: Simplify right side
    67,717.45x = 4,211,317,342.51
  5. Step 5: Solve for x
    x = 4,211,317,342.51/67,717.45
  6. Step 6: Final answer
    x = 62,189.54

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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.