Home / 75,473.17-113,223.42-31,075.70

Finding the Fourth Proportional to 75,473.17, 113,223.42 and 31,075.70

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Solution

The fourth proportional to 75,473.17, 113,223.42 and 31,075.70 is: 46,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,473.17 : 113,223.42 = 31,075.70 : x
  2. Step 2: Convert to fraction form
    75,473.17/113,223.42 = 31,075.70/x
  3. Step 3: Cross multiply
    75,473.17x = 113,223.42 × 31,075.70
  4. Step 4: Simplify right side
    75,473.17x = 3,518,497,103.66
  5. Step 5: Solve for x
    x = 3,518,497,103.66/75,473.17
  6. Step 6: Final answer
    x = 46,619.18

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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.