Home / 75,140.31-112,713.93-41,835.30

Finding the Fourth Proportional to 75,140.31, 112,713.93 and 41,835.30

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Solution

The fourth proportional to 75,140.31, 112,713.93 and 41,835.30 is: 62,754.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,140.31 : 112,713.93 = 41,835.30 : x
  2. Step 2: Convert to fraction form
    75,140.31/112,713.93 = 41,835.30/x
  3. Step 3: Cross multiply
    75,140.31x = 112,713.93 × 41,835.30
  4. Step 4: Simplify right side
    75,140.31x = 4,715,421,075.73
  5. Step 5: Solve for x
    x = 4,715,421,075.73/75,140.31
  6. Step 6: Final answer
    x = 62,754.88

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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.