Home / 75,260.43-103,862.58-43,000.36

Finding the Fourth Proportional to 75,260.43, 103,862.58 and 43,000.36

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Solution

The fourth proportional to 75,260.43, 103,862.58 and 43,000.36 is: 59,342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,260.43 : 103,862.58 = 43,000.36 : x
  2. Step 2: Convert to fraction form
    75,260.43/103,862.58 = 43,000.36/x
  3. Step 3: Cross multiply
    75,260.43x = 103,862.58 × 43,000.36
  4. Step 4: Simplify right side
    75,260.43x = 4,466,128,070.87
  5. Step 5: Solve for x
    x = 4,466,128,070.87/75,260.43
  6. Step 6: Final answer
    x = 59,342.31

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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.