Home / 85,695.08-118,259.22-47,969

Finding the Fourth Proportional to 85,695.08, 118,259.22 and 47,969

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Solution

The fourth proportional to 85,695.08, 118,259.22 and 47,969 is: 66,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,695.08 : 118,259.22 = 47,969 : x
  2. Step 2: Convert to fraction form
    85,695.08/118,259.22 = 47,969/x
  3. Step 3: Cross multiply
    85,695.08x = 118,259.22 × 47,969
  4. Step 4: Simplify right side
    85,695.08x = 5,672,776,524.18
  5. Step 5: Solve for x
    x = 5,672,776,524.18/85,695.08
  6. Step 6: Final answer
    x = 66,197.23

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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.