Home / 85,213.04-117,591.64-47,486.32

Finding the Fourth Proportional to 85,213.04, 117,591.64 and 47,486.32

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Solution

The fourth proportional to 85,213.04, 117,591.64 and 47,486.32 is: 65,529.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,213.04 : 117,591.64 = 47,486.32 : x
  2. Step 2: Convert to fraction form
    85,213.04/117,591.64 = 47,486.32/x
  3. Step 3: Cross multiply
    85,213.04x = 117,591.64 × 47,486.32
  4. Step 4: Simplify right side
    85,213.04x = 5,583,994,246.36
  5. Step 5: Solve for x
    x = 5,583,994,246.36/85,213.04
  6. Step 6: Final answer
    x = 65,529.81

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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.