Home / 85,213.09-117,595.47-47,487.34

Finding the Fourth Proportional to 85,213.09, 117,595.47 and 47,487.34

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Solution

The fourth proportional to 85,213.09, 117,595.47 and 47,487.34 is: 65,533.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,213.09 : 117,595.47 = 47,487.34 : x
  2. Step 2: Convert to fraction form
    85,213.09/117,595.47 = 47,487.34/x
  3. Step 3: Cross multiply
    85,213.09x = 117,595.47 × 47,487.34
  4. Step 4: Simplify right side
    85,213.09x = 5,584,296,066.35
  5. Step 5: Solve for x
    x = 5,584,296,066.35/85,213.09
  6. Step 6: Final answer
    x = 65,533.31

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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.