Home / 72,646.34-100,252.89-43,965.65

Finding the Fourth Proportional to 72,646.34, 100,252.89 and 43,965.65

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Solution

The fourth proportional to 72,646.34, 100,252.89 and 43,965.65 is: 60,673.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,646.34 : 100,252.89 = 43,965.65 : x
  2. Step 2: Convert to fraction form
    72,646.34/100,252.89 = 43,965.65/x
  3. Step 3: Cross multiply
    72,646.34x = 100,252.89 × 43,965.65
  4. Step 4: Simplify right side
    72,646.34x = 4,407,683,723.86
  5. Step 5: Solve for x
    x = 4,407,683,723.86/72,646.34
  6. Step 6: Final answer
    x = 60,673.17

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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.