Home / 77,057.90-106,339.52-43,066.35

Finding the Fourth Proportional to 77,057.90, 106,339.52 and 43,066.35

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Solution

The fourth proportional to 77,057.90, 106,339.52 and 43,066.35 is: 59,431.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,057.90 : 106,339.52 = 43,066.35 : x
  2. Step 2: Convert to fraction form
    77,057.90/106,339.52 = 43,066.35/x
  3. Step 3: Cross multiply
    77,057.90x = 106,339.52 × 43,066.35
  4. Step 4: Simplify right side
    77,057.90x = 4,579,654,771.82
  5. Step 5: Solve for x
    x = 4,579,654,771.82/77,057.90
  6. Step 6: Final answer
    x = 59,431.35

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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.