Home / 74,346.10-111,434.88-36,859.30

Finding the Fourth Proportional to 74,346.10, 111,434.88 and 36,859.30

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Solution

The fourth proportional to 74,346.10, 111,434.88 and 36,859.30 is: 55,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,346.10 : 111,434.88 = 36,859.30 : x
  2. Step 2: Convert to fraction form
    74,346.10/111,434.88 = 36,859.30/x
  3. Step 3: Cross multiply
    74,346.10x = 111,434.88 × 36,859.30
  4. Step 4: Simplify right side
    74,346.10x = 4,107,411,672.38
  5. Step 5: Solve for x
    x = 4,107,411,672.38/74,346.10
  6. Step 6: Final answer
    x = 55,247.17

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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.