Home / 78,626.24-108,467.90-46,338.84

Finding the Fourth Proportional to 78,626.24, 108,467.90 and 46,338.84

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Solution

The fourth proportional to 78,626.24, 108,467.90 and 46,338.84 is: 63,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,626.24 : 108,467.90 = 46,338.84 : x
  2. Step 2: Convert to fraction form
    78,626.24/108,467.90 = 46,338.84/x
  3. Step 3: Cross multiply
    78,626.24x = 108,467.90 × 46,338.84
  4. Step 4: Simplify right side
    78,626.24x = 5,026,276,663.24
  5. Step 5: Solve for x
    x = 5,026,276,663.24/78,626.24
  6. Step 6: Final answer
    x = 63,926.20

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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.