Home / 74,423.75-102,711.26-40,896.23

Finding the Fourth Proportional to 74,423.75, 102,711.26 and 40,896.23

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Solution

The fourth proportional to 74,423.75, 102,711.26 and 40,896.23 is: 56,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,423.75 : 102,711.26 = 40,896.23 : x
  2. Step 2: Convert to fraction form
    74,423.75/102,711.26 = 40,896.23/x
  3. Step 3: Cross multiply
    74,423.75x = 102,711.26 × 40,896.23
  4. Step 4: Simplify right side
    74,423.75x = 4,200,503,108.07
  5. Step 5: Solve for x
    x = 4,200,503,108.07/74,423.75
  6. Step 6: Final answer
    x = 56,440.36

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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.