Home / 49,417.74-74,126.76-11,977.67

Finding the Fourth Proportional to 49,417.74, 74,126.76 and 11,977.67

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Solution

The fourth proportional to 49,417.74, 74,126.76 and 11,977.67 is: 17,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,417.74 : 74,126.76 = 11,977.67 : x
  2. Step 2: Convert to fraction form
    49,417.74/74,126.76 = 11,977.67/x
  3. Step 3: Cross multiply
    49,417.74x = 74,126.76 × 11,977.67
  4. Step 4: Simplify right side
    49,417.74x = 887,865,498.82
  5. Step 5: Solve for x
    x = 887,865,498.82/49,417.74
  6. Step 6: Final answer
    x = 17,966.53

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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.