Home / 72,585.22-100,167.61-40,754.12

Finding the Fourth Proportional to 72,585.22, 100,167.61 and 40,754.12

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Solution

The fourth proportional to 72,585.22, 100,167.61 and 40,754.12 is: 56,240.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,585.22 : 100,167.61 = 40,754.12 : x
  2. Step 2: Convert to fraction form
    72,585.22/100,167.61 = 40,754.12/x
  3. Step 3: Cross multiply
    72,585.22x = 100,167.61 × 40,754.12
  4. Step 4: Simplify right side
    72,585.22x = 4,082,242,798.05
  5. Step 5: Solve for x
    x = 4,082,242,798.05/72,585.22
  6. Step 6: Final answer
    x = 56,240.69

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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.