Home / 74,332.20-111,347.10-46,165.80

Finding the Fourth Proportional to 74,332.20, 111,347.10 and 46,165.80

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Solution

The fourth proportional to 74,332.20, 111,347.10 and 46,165.80 is: 69,154.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,332.20 : 111,347.10 = 46,165.80 : x
  2. Step 2: Convert to fraction form
    74,332.20/111,347.10 = 46,165.80/x
  3. Step 3: Cross multiply
    74,332.20x = 111,347.10 × 46,165.80
  4. Step 4: Simplify right side
    74,332.20x = 5,140,427,949.18
  5. Step 5: Solve for x
    x = 5,140,427,949.18/74,332.20
  6. Step 6: Final answer
    x = 69,154.79

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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.