Home / 73,243.36-101,075.52-39,709.36

Finding the Fourth Proportional to 73,243.36, 101,075.52 and 39,709.36

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Solution

The fourth proportional to 73,243.36, 101,075.52 and 39,709.36 is: 54,798.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,243.36 : 101,075.52 = 39,709.36 : x
  2. Step 2: Convert to fraction form
    73,243.36/101,075.52 = 39,709.36/x
  3. Step 3: Cross multiply
    73,243.36x = 101,075.52 × 39,709.36
  4. Step 4: Simplify right side
    73,243.36x = 4,013,644,210.87
  5. Step 5: Solve for x
    x = 4,013,644,210.87/73,243.36
  6. Step 6: Final answer
    x = 54,798.75

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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.