Home / 72,520.16-100,076.23-40,252.87

Finding the Fourth Proportional to 72,520.16, 100,076.23 and 40,252.87

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Solution

The fourth proportional to 72,520.16, 100,076.23 and 40,252.87 is: 55,548.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,520.16 : 100,076.23 = 40,252.87 : x
  2. Step 2: Convert to fraction form
    72,520.16/100,076.23 = 40,252.87/x
  3. Step 3: Cross multiply
    72,520.16x = 100,076.23 × 40,252.87
  4. Step 4: Simplify right side
    72,520.16x = 4,028,355,125.46
  5. Step 5: Solve for x
    x = 4,028,355,125.46/72,520.16
  6. Step 6: Final answer
    x = 55,548.08

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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.