Home / 89,617.79-134,438.99-30,437.57

Finding the Fourth Proportional to 89,617.79, 134,438.99 and 30,437.57

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Solution

The fourth proportional to 89,617.79, 134,438.99 and 30,437.57 is: 45,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,617.79 : 134,438.99 = 30,437.57 : x
  2. Step 2: Convert to fraction form
    89,617.79/134,438.99 = 30,437.57/x
  3. Step 3: Cross multiply
    89,617.79x = 134,438.99 × 30,437.57
  4. Step 4: Simplify right side
    89,617.79x = 4,091,996,523.98
  5. Step 5: Solve for x
    x = 4,091,996,523.98/89,617.79
  6. Step 6: Final answer
    x = 45,660.54

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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.