Home / 90,544.50-135,837.26-48,402.38

Finding the Fourth Proportional to 90,544.50, 135,837.26 and 48,402.38

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Solution

The fourth proportional to 90,544.50, 135,837.26 and 48,402.38 is: 72,614.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,544.50 : 135,837.26 = 48,402.38 : x
  2. Step 2: Convert to fraction form
    90,544.50/135,837.26 = 48,402.38/x
  3. Step 3: Cross multiply
    90,544.50x = 135,837.26 × 48,402.38
  4. Step 4: Simplify right side
    90,544.50x = 6,574,846,955.77
  5. Step 5: Solve for x
    x = 6,574,846,955.77/90,544.50
  6. Step 6: Final answer
    x = 72,614.54

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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.