Home / 85,649.40-118,196.26-47,923.56

Finding the Fourth Proportional to 85,649.40, 118,196.26 and 47,923.56

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Solution

The fourth proportional to 85,649.40, 118,196.26 and 47,923.56 is: 66,134.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,649.40 : 118,196.26 = 47,923.56 : x
  2. Step 2: Convert to fraction form
    85,649.40/118,196.26 = 47,923.56/x
  3. Step 3: Cross multiply
    85,649.40x = 118,196.26 × 47,923.56
  4. Step 4: Simplify right side
    85,649.40x = 5,664,385,557.89
  5. Step 5: Solve for x
    x = 5,664,385,557.89/85,649.40
  6. Step 6: Final answer
    x = 66,134.56

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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.