Home / 72,330.96-99,814.68-40,502.64

Finding the Fourth Proportional to 72,330.96, 99,814.68 and 40,502.64

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Solution

The fourth proportional to 72,330.96, 99,814.68 and 40,502.64 is: 55,892.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,330.96 : 99,814.68 = 40,502.64 : x
  2. Step 2: Convert to fraction form
    72,330.96/99,814.68 = 40,502.64/x
  3. Step 3: Cross multiply
    72,330.96x = 99,814.68 × 40,502.64
  4. Step 4: Simplify right side
    72,330.96x = 4,042,758,050.76
  5. Step 5: Solve for x
    x = 4,042,758,050.76/72,330.96
  6. Step 6: Final answer
    x = 55,892.50

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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.