Home / 75,619.63-113,117.79-62,140.87

Finding the Fourth Proportional to 75,619.63, 113,117.79 and 62,140.87

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Solution

The fourth proportional to 75,619.63, 113,117.79 and 62,140.87 is: 92,955.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,619.63 : 113,117.79 = 62,140.87 : x
  2. Step 2: Convert to fraction form
    75,619.63/113,117.79 = 62,140.87/x
  3. Step 3: Cross multiply
    75,619.63x = 113,117.79 × 62,140.87
  4. Step 4: Simplify right side
    75,619.63x = 7,029,238,082.73
  5. Step 5: Solve for x
    x = 7,029,238,082.73/75,619.63
  6. Step 6: Final answer
    x = 92,955.21

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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.