Home / 78,346.26-117,525.06-38,863.62

Finding the Fourth Proportional to 78,346.26, 117,525.06 and 38,863.62

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Solution

The fourth proportional to 78,346.26, 117,525.06 and 38,863.62 is: 58,298.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,346.26 : 117,525.06 = 38,863.62 : x
  2. Step 2: Convert to fraction form
    78,346.26/117,525.06 = 38,863.62/x
  3. Step 3: Cross multiply
    78,346.26x = 117,525.06 × 38,863.62
  4. Step 4: Simplify right side
    78,346.26x = 4,567,449,272.32
  5. Step 5: Solve for x
    x = 4,567,449,272.32/78,346.26
  6. Step 6: Final answer
    x = 58,298.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.