Home / 72,462.08-99,997.58-40,201.59

Finding the Fourth Proportional to 72,462.08, 99,997.58 and 40,201.59

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Solution

The fourth proportional to 72,462.08, 99,997.58 and 40,201.59 is: 55,478.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,462.08 : 99,997.58 = 40,201.59 : x
  2. Step 2: Convert to fraction form
    72,462.08/99,997.58 = 40,201.59/x
  3. Step 3: Cross multiply
    72,462.08x = 99,997.58 × 40,201.59
  4. Step 4: Simplify right side
    72,462.08x = 4,020,061,511.14
  5. Step 5: Solve for x
    x = 4,020,061,511.14/72,462.08
  6. Step 6: Final answer
    x = 55,478.14

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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.