Home / 72,299.82-99,772.59-40,468.62

Finding the Fourth Proportional to 72,299.82, 99,772.59 and 40,468.62

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Solution

The fourth proportional to 72,299.82, 99,772.59 and 40,468.62 is: 55,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,299.82 : 99,772.59 = 40,468.62 : x
  2. Step 2: Convert to fraction form
    72,299.82/99,772.59 = 40,468.62/x
  3. Step 3: Cross multiply
    72,299.82x = 99,772.59 × 40,468.62
  4. Step 4: Simplify right side
    72,299.82x = 4,037,659,031.13
  5. Step 5: Solve for x
    x = 4,037,659,031.13/72,299.82
  6. Step 6: Final answer
    x = 55,846.05

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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.