Home / 89,630.37-134,528.63-45,288.29

Finding the Fourth Proportional to 89,630.37, 134,528.63 and 45,288.29

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Solution

The fourth proportional to 89,630.37, 134,528.63 and 45,288.29 is: 67,974.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,630.37 : 134,528.63 = 45,288.29 : x
  2. Step 2: Convert to fraction form
    89,630.37/134,528.63 = 45,288.29/x
  3. Step 3: Cross multiply
    89,630.37x = 134,528.63 × 45,288.29
  4. Step 4: Simplify right side
    89,630.37x = 6,092,571,608.74
  5. Step 5: Solve for x
    x = 6,092,571,608.74/89,630.37
  6. Step 6: Final answer
    x = 67,974.41

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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.