Home / 74,326.20-111,338.10-46,159.80

Finding the Fourth Proportional to 74,326.20, 111,338.10 and 46,159.80

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Solution

The fourth proportional to 74,326.20, 111,338.10 and 46,159.80 is: 69,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,326.20 : 111,338.10 = 46,159.80 : x
  2. Step 2: Convert to fraction form
    74,326.20/111,338.10 = 46,159.80/x
  3. Step 3: Cross multiply
    74,326.20x = 111,338.10 × 46,159.80
  4. Step 4: Simplify right side
    74,326.20x = 5,139,344,428.38
  5. Step 5: Solve for x
    x = 5,139,344,428.38/74,326.20
  6. Step 6: Final answer
    x = 69,145.80

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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.