Home / 89,724.57-134,586.84-26,539.76

Finding the Fourth Proportional to 89,724.57, 134,586.84 and 26,539.76

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Solution

The fourth proportional to 89,724.57, 134,586.84 and 26,539.76 is: 39,809.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,724.57 : 134,586.84 = 26,539.76 : x
  2. Step 2: Convert to fraction form
    89,724.57/134,586.84 = 26,539.76/x
  3. Step 3: Cross multiply
    89,724.57x = 134,586.84 × 26,539.76
  4. Step 4: Simplify right side
    89,724.57x = 3,571,901,759.82
  5. Step 5: Solve for x
    x = 3,571,901,759.82/89,724.57
  6. Step 6: Final answer
    x = 39,809.63

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1.5x scale

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.