Home / 72,804.02-100,452.93-40,961.30

Finding the Fourth Proportional to 72,804.02, 100,452.93 and 40,961.30

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Solution

The fourth proportional to 72,804.02, 100,452.93 and 40,961.30 is: 56,517.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,804.02 : 100,452.93 = 40,961.30 : x
  2. Step 2: Convert to fraction form
    72,804.02/100,452.93 = 40,961.30/x
  3. Step 3: Cross multiply
    72,804.02x = 100,452.93 × 40,961.30
  4. Step 4: Simplify right side
    72,804.02x = 4,114,682,601.61
  5. Step 5: Solve for x
    x = 4,114,682,601.61/72,804.02
  6. Step 6: Final answer
    x = 56,517.24

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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.