Home / 55,070.52-75,996.81-29,920.02

Finding the Fourth Proportional to 55,070.52, 75,996.81 and 29,920.02

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Solution

The fourth proportional to 55,070.52, 75,996.81 and 29,920.02 is: 41,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,070.52 : 75,996.81 = 29,920.02 : x
  2. Step 2: Convert to fraction form
    55,070.52/75,996.81 = 29,920.02/x
  3. Step 3: Cross multiply
    55,070.52x = 75,996.81 × 29,920.02
  4. Step 4: Simplify right side
    55,070.52x = 2,273,826,075.14
  5. Step 5: Solve for x
    x = 2,273,826,075.14/55,070.52
  6. Step 6: Final answer
    x = 41,289.35

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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.