Home / 96,081.27-143,928.74-47,904.51

Finding the Fourth Proportional to 96,081.27, 143,928.74 and 47,904.51

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Solution

The fourth proportional to 96,081.27, 143,928.74 and 47,904.51 is: 71,760.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,081.27 : 143,928.74 = 47,904.51 : x
  2. Step 2: Convert to fraction form
    96,081.27/143,928.74 = 47,904.51/x
  3. Step 3: Cross multiply
    96,081.27x = 143,928.74 × 47,904.51
  4. Step 4: Simplify right side
    96,081.27x = 6,894,835,525.09
  5. Step 5: Solve for x
    x = 6,894,835,525.09/96,081.27
  6. Step 6: Final answer
    x = 71,760.45

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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.