Home / 85,153.22-117,511.46-47,427.47

Finding the Fourth Proportional to 85,153.22, 117,511.46 and 47,427.47

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Solution

The fourth proportional to 85,153.22, 117,511.46 and 47,427.47 is: 65,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,153.22 : 117,511.46 = 47,427.47 : x
  2. Step 2: Convert to fraction form
    85,153.22/117,511.46 = 47,427.47/x
  3. Step 3: Cross multiply
    85,153.22x = 117,511.46 × 47,427.47
  4. Step 4: Simplify right side
    85,153.22x = 5,573,271,037.63
  5. Step 5: Solve for x
    x = 5,573,271,037.63/85,153.22
  6. Step 6: Final answer
    x = 65,449.92

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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.