Home / 89,434.36-123,356.94-75,912.34

Finding the Fourth Proportional to 89,434.36, 123,356.94 and 75,912.34

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Solution

The fourth proportional to 89,434.36, 123,356.94 and 75,912.34 is: 104,706.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,434.36 : 123,356.94 = 75,912.34 : x
  2. Step 2: Convert to fraction form
    89,434.36/123,356.94 = 75,912.34/x
  3. Step 3: Cross multiply
    89,434.36x = 123,356.94 × 75,912.34
  4. Step 4: Simplify right side
    89,434.36x = 9,364,313,970.64
  5. Step 5: Solve for x
    x = 9,364,313,970.64/89,434.36
  6. Step 6: Final answer
    x = 104,706.00

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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.