Home / 101,748.08-140,409.69-56,425.97

Finding the Fourth Proportional to 101,748.08, 140,409.69 and 56,425.97

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Solution

The fourth proportional to 101,748.08, 140,409.69 and 56,425.97 is: 77,866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,748.08 : 140,409.69 = 56,425.97 : x
  2. Step 2: Convert to fraction form
    101,748.08/140,409.69 = 56,425.97/x
  3. Step 3: Cross multiply
    101,748.08x = 140,409.69 × 56,425.97
  4. Step 4: Simplify right side
    101,748.08x = 7,922,752,955.65
  5. Step 5: Solve for x
    x = 7,922,752,955.65/101,748.08
  6. Step 6: Final answer
    x = 77,866.36

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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.