Home / 89,327.84-123,232.92-55,327.28

Finding the Fourth Proportional to 89,327.84, 123,232.92 and 55,327.28

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Solution

The fourth proportional to 89,327.84, 123,232.92 and 55,327.28 is: 76,327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,327.84 : 123,232.92 = 55,327.28 : x
  2. Step 2: Convert to fraction form
    89,327.84/123,232.92 = 55,327.28/x
  3. Step 3: Cross multiply
    89,327.84x = 123,232.92 × 55,327.28
  4. Step 4: Simplify right side
    89,327.84x = 6,818,142,270.06
  5. Step 5: Solve for x
    x = 6,818,142,270.06/89,327.84
  6. Step 6: Final answer
    x = 76,327.18

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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.