Home / 73,961.08-102,182.10-70,319.68

Finding the Fourth Proportional to 73,961.08, 102,182.10 and 70,319.68

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Solution

The fourth proportional to 73,961.08, 102,182.10 and 70,319.68 is: 97,151.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,961.08 : 102,182.10 = 70,319.68 : x
  2. Step 2: Convert to fraction form
    73,961.08/102,182.10 = 70,319.68/x
  3. Step 3: Cross multiply
    73,961.08x = 102,182.10 × 70,319.68
  4. Step 4: Simplify right side
    73,961.08x = 7,185,412,573.73
  5. Step 5: Solve for x
    x = 7,185,412,573.73/73,961.08
  6. Step 6: Final answer
    x = 97,151.27

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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.