Home / 71,070.08-106,544.64-43,387.52

Finding the Fourth Proportional to 71,070.08, 106,544.64 and 43,387.52

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Solution

The fourth proportional to 71,070.08, 106,544.64 and 43,387.52 is: 65,044.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,070.08 : 106,544.64 = 43,387.52 : x
  2. Step 2: Convert to fraction form
    71,070.08/106,544.64 = 43,387.52/x
  3. Step 3: Cross multiply
    71,070.08x = 106,544.64 × 43,387.52
  4. Step 4: Simplify right side
    71,070.08x = 4,622,707,698.89
  5. Step 5: Solve for x
    x = 4,622,707,698.89/71,070.08
  6. Step 6: Final answer
    x = 65,044.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.