Home / 72,463.00-99,989.31-40,197.16

Finding the Fourth Proportional to 72,463.00, 99,989.31 and 40,197.16

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Solution

The fourth proportional to 72,463.00, 99,989.31 and 40,197.16 is: 55,466.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,463.00 : 99,989.31 = 40,197.16 : x
  2. Step 2: Convert to fraction form
    72,463.00/99,989.31 = 40,197.16/x
  3. Step 3: Cross multiply
    72,463.00x = 99,989.31 × 40,197.16
  4. Step 4: Simplify right side
    72,463.00x = 4,019,286,042.39
  5. Step 5: Solve for x
    x = 4,019,286,042.39/72,463.00
  6. Step 6: Final answer
    x = 55,466.74

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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.