Home / 95,979.12-132,379.78-70,477.50

Finding the Fourth Proportional to 95,979.12, 132,379.78 and 70,477.50

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Solution

The fourth proportional to 95,979.12, 132,379.78 and 70,477.50 is: 97,206.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,979.12 : 132,379.78 = 70,477.50 : x
  2. Step 2: Convert to fraction form
    95,979.12/132,379.78 = 70,477.50/x
  3. Step 3: Cross multiply
    95,979.12x = 132,379.78 × 70,477.50
  4. Step 4: Simplify right side
    95,979.12x = 9,329,795,944.95
  5. Step 5: Solve for x
    x = 9,329,795,944.95/95,979.12
  6. Step 6: Final answer
    x = 97,206.52

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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.