Home / 84,723.06-127,047.66-28,552.71

Finding the Fourth Proportional to 84,723.06, 127,047.66 and 28,552.71

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Solution

The fourth proportional to 84,723.06, 127,047.66 and 28,552.71 is: 42,816.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,723.06 : 127,047.66 = 28,552.71 : x
  2. Step 2: Convert to fraction form
    84,723.06/127,047.66 = 28,552.71/x
  3. Step 3: Cross multiply
    84,723.06x = 127,047.66 × 28,552.71
  4. Step 4: Simplify right side
    84,723.06x = 3,627,554,992.16
  5. Step 5: Solve for x
    x = 3,627,554,992.16/84,723.06
  6. Step 6: Final answer
    x = 42,816.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.