Home / 72,855.22-100,537.50-40,589.08

Finding the Fourth Proportional to 72,855.22, 100,537.50 and 40,589.08

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Solution

The fourth proportional to 72,855.22, 100,537.50 and 40,589.08 is: 56,011.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,855.22 : 100,537.50 = 40,589.08 : x
  2. Step 2: Convert to fraction form
    72,855.22/100,537.50 = 40,589.08/x
  3. Step 3: Cross multiply
    72,855.22x = 100,537.50 × 40,589.08
  4. Step 4: Simplify right side
    72,855.22x = 4,080,724,630.50
  5. Step 5: Solve for x
    x = 4,080,724,630.50/72,855.22
  6. Step 6: Final answer
    x = 56,011.42

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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.