Home / 78,443.03-108,260.55-46,611.92

Finding the Fourth Proportional to 78,443.03, 108,260.55 and 46,611.92

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Solution

The fourth proportional to 78,443.03, 108,260.55 and 46,611.92 is: 64,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,443.03 : 108,260.55 = 46,611.92 : x
  2. Step 2: Convert to fraction form
    78,443.03/108,260.55 = 46,611.92/x
  3. Step 3: Cross multiply
    78,443.03x = 108,260.55 × 46,611.92
  4. Step 4: Simplify right side
    78,443.03x = 5,046,232,366.41
  5. Step 5: Solve for x
    x = 5,046,232,366.41/78,443.03
  6. Step 6: Final answer
    x = 64,329.90

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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.