Home / 53,415.99-80,087.04-38,432.34

Finding the Fourth Proportional to 53,415.99, 80,087.04 and 38,432.34

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Solution

The fourth proportional to 53,415.99, 80,087.04 and 38,432.34 is: 57,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,415.99 : 80,087.04 = 38,432.34 : x
  2. Step 2: Convert to fraction form
    53,415.99/80,087.04 = 38,432.34/x
  3. Step 3: Cross multiply
    53,415.99x = 80,087.04 × 38,432.34
  4. Step 4: Simplify right side
    53,415.99x = 3,077,932,350.87
  5. Step 5: Solve for x
    x = 3,077,932,350.87/53,415.99
  6. Step 6: Final answer
    x = 57,621.93

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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.