Home / 72,830.08-100,515.08-41,005.20

Finding the Fourth Proportional to 72,830.08, 100,515.08 and 41,005.20

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Solution

The fourth proportional to 72,830.08, 100,515.08 and 41,005.20 is: 56,592.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,830.08 : 100,515.08 = 41,005.20 : x
  2. Step 2: Convert to fraction form
    72,830.08/100,515.08 = 41,005.20/x
  3. Step 3: Cross multiply
    72,830.08x = 100,515.08 × 41,005.20
  4. Step 4: Simplify right side
    72,830.08x = 4,121,640,958.42
  5. Step 5: Solve for x
    x = 4,121,640,958.42/72,830.08
  6. Step 6: Final answer
    x = 56,592.56

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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.