Home / 72,293.56-99,765.10-40,462.46

Finding the Fourth Proportional to 72,293.56, 99,765.10 and 40,462.46

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Solution

The fourth proportional to 72,293.56, 99,765.10 and 40,462.46 is: 55,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,293.56 : 99,765.10 = 40,462.46 : x
  2. Step 2: Convert to fraction form
    72,293.56/99,765.10 = 40,462.46/x
  3. Step 3: Cross multiply
    72,293.56x = 99,765.10 × 40,462.46
  4. Step 4: Simplify right side
    72,293.56x = 4,036,741,516.40
  5. Step 5: Solve for x
    x = 4,036,741,516.40/72,293.56
  6. Step 6: Final answer
    x = 55,838.19

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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.