Home / 57,065.04-78,777.36-37,976.58

Finding the Fourth Proportional to 57,065.04, 78,777.36 and 37,976.58

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Solution

The fourth proportional to 57,065.04, 78,777.36 and 37,976.58 is: 52,426.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,065.04 : 78,777.36 = 37,976.58 : x
  2. Step 2: Convert to fraction form
    57,065.04/78,777.36 = 37,976.58/x
  3. Step 3: Cross multiply
    57,065.04x = 78,777.36 × 37,976.58
  4. Step 4: Simplify right side
    57,065.04x = 2,991,694,714.23
  5. Step 5: Solve for x
    x = 2,991,694,714.23/57,065.04
  6. Step 6: Final answer
    x = 52,426.05

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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.