Home / 74,930.82-111,849.64-65,472.22

Finding the Fourth Proportional to 74,930.82, 111,849.64 and 65,472.22

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Solution

The fourth proportional to 74,930.82, 111,849.64 and 65,472.22 is: 97,730.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,930.82 : 111,849.64 = 65,472.22 : x
  2. Step 2: Convert to fraction form
    74,930.82/111,849.64 = 65,472.22/x
  3. Step 3: Cross multiply
    74,930.82x = 111,849.64 × 65,472.22
  4. Step 4: Simplify right side
    74,930.82x = 7,323,044,237.00
  5. Step 5: Solve for x
    x = 7,323,044,237.00/74,930.82
  6. Step 6: Final answer
    x = 97,730.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.