Home / 72,441.03-99,968.23-40,609.25

Finding the Fourth Proportional to 72,441.03, 99,968.23 and 40,609.25

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Solution

The fourth proportional to 72,441.03, 99,968.23 and 40,609.25 is: 56,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,441.03 : 99,968.23 = 40,609.25 : x
  2. Step 2: Convert to fraction form
    72,441.03/99,968.23 = 40,609.25/x
  3. Step 3: Cross multiply
    72,441.03x = 99,968.23 × 40,609.25
  4. Step 4: Simplify right side
    72,441.03x = 4,059,634,541.50
  5. Step 5: Solve for x
    x = 4,059,634,541.50/72,441.03
  6. Step 6: Final answer
    x = 56,040.54

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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.