Home / 72,588.24-100,168.20-40,758.48

Finding the Fourth Proportional to 72,588.24, 100,168.20 and 40,758.48

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Solution

The fourth proportional to 72,588.24, 100,168.20 and 40,758.48 is: 56,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,588.24 : 100,168.20 = 40,758.48 : x
  2. Step 2: Convert to fraction form
    72,588.24/100,168.20 = 40,758.48/x
  3. Step 3: Cross multiply
    72,588.24x = 100,168.20 × 40,758.48
  4. Step 4: Simplify right side
    72,588.24x = 4,082,703,576.34
  5. Step 5: Solve for x
    x = 4,082,703,576.34/72,588.24
  6. Step 6: Final answer
    x = 56,244.70

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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.