Home / 78,372.36-108,104.58-46,518.84

Finding the Fourth Proportional to 78,372.36, 108,104.58 and 46,518.84

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Solution

The fourth proportional to 78,372.36, 108,104.58 and 46,518.84 is: 64,166.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,372.36 : 108,104.58 = 46,518.84 : x
  2. Step 2: Convert to fraction form
    78,372.36/108,104.58 = 46,518.84/x
  3. Step 3: Cross multiply
    78,372.36x = 108,104.58 × 46,518.84
  4. Step 4: Simplify right side
    78,372.36x = 5,028,899,660.29
  5. Step 5: Solve for x
    x = 5,028,899,660.29/78,372.36
  6. Step 6: Final answer
    x = 64,166.75

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1.5x scale

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.