Home / 85,611.35-118,133.54-47,365.84

Finding the Fourth Proportional to 85,611.35, 118,133.54 and 47,365.84

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Solution

The fourth proportional to 85,611.35, 118,133.54 and 47,365.84 is: 65,359.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,611.35 : 118,133.54 = 47,365.84 : x
  2. Step 2: Convert to fraction form
    85,611.35/118,133.54 = 47,365.84/x
  3. Step 3: Cross multiply
    85,611.35x = 118,133.54 × 47,365.84
  4. Step 4: Simplify right side
    85,611.35x = 5,595,494,442.73
  5. Step 5: Solve for x
    x = 5,595,494,442.73/85,611.35
  6. Step 6: Final answer
    x = 65,359.26

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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.