Home / 89,232.34-123,138.40-50,989.45

Finding the Fourth Proportional to 89,232.34, 123,138.40 and 50,989.45

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Solution

The fourth proportional to 89,232.34, 123,138.40 and 50,989.45 is: 70,364.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,232.34 : 123,138.40 = 50,989.45 : x
  2. Step 2: Convert to fraction form
    89,232.34/123,138.40 = 50,989.45/x
  3. Step 3: Cross multiply
    89,232.34x = 123,138.40 × 50,989.45
  4. Step 4: Simplify right side
    89,232.34x = 6,278,759,289.88
  5. Step 5: Solve for x
    x = 6,278,759,289.88/89,232.34
  6. Step 6: Final answer
    x = 70,364.17

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1.5x scale

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.