Home / 72,072.48-99,460.44-40,244.16

Finding the Fourth Proportional to 72,072.48, 99,460.44 and 40,244.16

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Solution

The fourth proportional to 72,072.48, 99,460.44 and 40,244.16 is: 55,537.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,072.48 : 99,460.44 = 40,244.16 : x
  2. Step 2: Convert to fraction form
    72,072.48/99,460.44 = 40,244.16/x
  3. Step 3: Cross multiply
    72,072.48x = 99,460.44 × 40,244.16
  4. Step 4: Simplify right side
    72,072.48x = 4,002,701,861.03
  5. Step 5: Solve for x
    x = 4,002,701,861.03/72,072.48
  6. Step 6: Final answer
    x = 55,537.17

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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.