Home / 72,878.22-100,570.02-41,047.38

Finding the Fourth Proportional to 72,878.22, 100,570.02 and 41,047.38

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Solution

The fourth proportional to 72,878.22, 100,570.02 and 41,047.38 is: 56,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,878.22 : 100,570.02 = 41,047.38 : x
  2. Step 2: Convert to fraction form
    72,878.22/100,570.02 = 41,047.38/x
  3. Step 3: Cross multiply
    72,878.22x = 100,570.02 × 41,047.38
  4. Step 4: Simplify right side
    72,878.22x = 4,128,135,827.55
  5. Step 5: Solve for x
    x = 4,128,135,827.55/72,878.22
  6. Step 6: Final answer
    x = 56,644.30

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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.