Home / 74,224.04-102,430.40-40,233.60

Finding the Fourth Proportional to 74,224.04, 102,430.40 and 40,233.60

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Solution

The fourth proportional to 74,224.04, 102,430.40 and 40,233.60 is: 55,523.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,224.04 : 102,430.40 = 40,233.60 : x
  2. Step 2: Convert to fraction form
    74,224.04/102,430.40 = 40,233.60/x
  3. Step 3: Cross multiply
    74,224.04x = 102,430.40 × 40,233.60
  4. Step 4: Simplify right side
    74,224.04x = 4,121,143,741.44
  5. Step 5: Solve for x
    x = 4,121,143,741.44/74,224.04
  6. Step 6: Final answer
    x = 55,523.03

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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.