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Finding the Fourth Proportional to 85,808.73, 118,410.08 and 47,567.91

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Solution

The fourth proportional to 85,808.73, 118,410.08 and 47,567.91 is: 65,640.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,808.73 : 118,410.08 = 47,567.91 : x
  2. Step 2: Convert to fraction form
    85,808.73/118,410.08 = 47,567.91/x
  3. Step 3: Cross multiply
    85,808.73x = 118,410.08 × 47,567.91
  4. Step 4: Simplify right side
    85,808.73x = 5,632,519,790.69
  5. Step 5: Solve for x
    x = 5,632,519,790.69/85,808.73
  6. Step 6: Final answer
    x = 65,640.41

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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.