Home / 85,905.63-118,504.01-50,082.57

Finding the Fourth Proportional to 85,905.63, 118,504.01 and 50,082.57

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Solution

The fourth proportional to 85,905.63, 118,504.01 and 50,082.57 is: 69,087.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,905.63 : 118,504.01 = 50,082.57 : x
  2. Step 2: Convert to fraction form
    85,905.63/118,504.01 = 50,082.57/x
  3. Step 3: Cross multiply
    85,905.63x = 118,504.01 × 50,082.57
  4. Step 4: Simplify right side
    85,905.63x = 5,934,985,125.69
  5. Step 5: Solve for x
    x = 5,934,985,125.69/85,905.63
  6. Step 6: Final answer
    x = 69,087.27

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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.