Home / 82,419.24-123,322.50-49,157.40

Finding the Fourth Proportional to 82,419.24, 123,322.50 and 49,157.40

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Solution

The fourth proportional to 82,419.24, 123,322.50 and 49,157.40 is: 73,553.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,419.24 : 123,322.50 = 49,157.40 : x
  2. Step 2: Convert to fraction form
    82,419.24/123,322.50 = 49,157.40/x
  3. Step 3: Cross multiply
    82,419.24x = 123,322.50 × 49,157.40
  4. Step 4: Simplify right side
    82,419.24x = 6,062,213,461.50
  5. Step 5: Solve for x
    x = 6,062,213,461.50/82,419.24
  6. Step 6: Final answer
    x = 73,553.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.