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Finding the Fourth Proportional to 73,715.51, 101,731.07 and 41,460.30

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Solution

The fourth proportional to 73,715.51, 101,731.07 and 41,460.30 is: 57,217.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,715.51 : 101,731.07 = 41,460.30 : x
  2. Step 2: Convert to fraction form
    73,715.51/101,731.07 = 41,460.30/x
  3. Step 3: Cross multiply
    73,715.51x = 101,731.07 × 41,460.30
  4. Step 4: Simplify right side
    73,715.51x = 4,217,800,785.17
  5. Step 5: Solve for x
    x = 4,217,800,785.17/73,715.51
  6. Step 6: Final answer
    x = 57,217.28

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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.