Home / 73,828.80-101,884-40,295.36

Finding the Fourth Proportional to 73,828.80, 101,884 and 40,295.36

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Solution

The fourth proportional to 73,828.80, 101,884 and 40,295.36 is: 55,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,828.80 : 101,884 = 40,295.36 : x
  2. Step 2: Convert to fraction form
    73,828.80/101,884 = 40,295.36/x
  3. Step 3: Cross multiply
    73,828.80x = 101,884 × 40,295.36
  4. Step 4: Simplify right side
    73,828.80x = 4,105,452,458.24
  5. Step 5: Solve for x
    x = 4,105,452,458.24/73,828.80
  6. Step 6: Final answer
    x = 55,607.74

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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.