Home / 72,864.48-100,618.80-46,054.56

Finding the Fourth Proportional to 72,864.48, 100,618.80 and 46,054.56

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Solution

The fourth proportional to 72,864.48, 100,618.80 and 46,054.56 is: 63,596.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,864.48 : 100,618.80 = 46,054.56 : x
  2. Step 2: Convert to fraction form
    72,864.48/100,618.80 = 46,054.56/x
  3. Step 3: Cross multiply
    72,864.48x = 100,618.80 × 46,054.56
  4. Step 4: Simplify right side
    72,864.48x = 4,633,954,561.73
  5. Step 5: Solve for x
    x = 4,633,954,561.73/72,864.48
  6. Step 6: Final answer
    x = 63,596.89

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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.