Home / 78,536.13-108,371.76-46,698.89

Finding the Fourth Proportional to 78,536.13, 108,371.76 and 46,698.89

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Solution

The fourth proportional to 78,536.13, 108,371.76 and 46,698.89 is: 64,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,536.13 : 108,371.76 = 46,698.89 : x
  2. Step 2: Convert to fraction form
    78,536.13/108,371.76 = 46,698.89/x
  3. Step 3: Cross multiply
    78,536.13x = 108,371.76 × 46,698.89
  4. Step 4: Simplify right side
    78,536.13x = 5,060,840,357.49
  5. Step 5: Solve for x
    x = 5,060,840,357.49/78,536.13
  6. Step 6: Final answer
    x = 64,439.65

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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.