Home / 60,243.39-90,242.37-28,557.41

Finding the Fourth Proportional to 60,243.39, 90,242.37 and 28,557.41

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Solution

The fourth proportional to 60,243.39, 90,242.37 and 28,557.41 is: 42,777.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,243.39 : 90,242.37 = 28,557.41 : x
  2. Step 2: Convert to fraction form
    60,243.39/90,242.37 = 28,557.41/x
  3. Step 3: Cross multiply
    60,243.39x = 90,242.37 × 28,557.41
  4. Step 4: Simplify right side
    60,243.39x = 2,577,087,908.25
  5. Step 5: Solve for x
    x = 2,577,087,908.25/60,243.39
  6. Step 6: Final answer
    x = 42,777.94

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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.