Home / 116,790.36-161,170.65-63,075.39

Finding the Fourth Proportional to 116,790.36, 161,170.65 and 63,075.39

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Solution

The fourth proportional to 116,790.36, 161,170.65 and 63,075.39 is: 87,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,790.36 : 161,170.65 = 63,075.39 : x
  2. Step 2: Convert to fraction form
    116,790.36/161,170.65 = 63,075.39/x
  3. Step 3: Cross multiply
    116,790.36x = 161,170.65 × 63,075.39
  4. Step 4: Simplify right side
    116,790.36x = 10,165,901,605.30
  5. Step 5: Solve for x
    x = 10,165,901,605.30/116,790.36
  6. Step 6: Final answer
    x = 87,044.01

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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.