Home / 85,582.02-118,099.98-47,863.56

Finding the Fourth Proportional to 85,582.02, 118,099.98 and 47,863.56

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Solution

The fourth proportional to 85,582.02, 118,099.98 and 47,863.56 is: 66,049.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,582.02 : 118,099.98 = 47,863.56 : x
  2. Step 2: Convert to fraction form
    85,582.02/118,099.98 = 47,863.56/x
  3. Step 3: Cross multiply
    85,582.02x = 118,099.98 × 47,863.56
  4. Step 4: Simplify right side
    85,582.02x = 5,652,685,478.73
  5. Step 5: Solve for x
    x = 5,652,685,478.73/85,582.02
  6. Step 6: Final answer
    x = 66,049.92

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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.