Home / 74,017.46-111,037.84-31,909.51

Finding the Fourth Proportional to 74,017.46, 111,037.84 and 31,909.51

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Solution

The fourth proportional to 74,017.46, 111,037.84 and 31,909.51 is: 47,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,017.46 : 111,037.84 = 31,909.51 : x
  2. Step 2: Convert to fraction form
    74,017.46/111,037.84 = 31,909.51/x
  3. Step 3: Cross multiply
    74,017.46x = 111,037.84 × 31,909.51
  4. Step 4: Simplify right side
    74,017.46x = 3,543,163,065.86
  5. Step 5: Solve for x
    x = 3,543,163,065.86/74,017.46
  6. Step 6: Final answer
    x = 47,869.29

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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.