Home / 74,488.36-102,795.05-40,496.76

Finding the Fourth Proportional to 74,488.36, 102,795.05 and 40,496.76

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Solution

The fourth proportional to 74,488.36, 102,795.05 and 40,496.76 is: 55,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,488.36 : 102,795.05 = 40,496.76 : x
  2. Step 2: Convert to fraction form
    74,488.36/102,795.05 = 40,496.76/x
  3. Step 3: Cross multiply
    74,488.36x = 102,795.05 × 40,496.76
  4. Step 4: Simplify right side
    74,488.36x = 4,162,866,456.38
  5. Step 5: Solve for x
    x = 4,162,866,456.38/74,488.36
  6. Step 6: Final answer
    x = 55,886.13

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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.