Home / 77,868.40-116,743.68-32,903.68

Finding the Fourth Proportional to 77,868.40, 116,743.68 and 32,903.68

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Solution

The fourth proportional to 77,868.40, 116,743.68 and 32,903.68 is: 49,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,868.40 : 116,743.68 = 32,903.68 : x
  2. Step 2: Convert to fraction form
    77,868.40/116,743.68 = 32,903.68/x
  3. Step 3: Cross multiply
    77,868.40x = 116,743.68 × 32,903.68
  4. Step 4: Simplify right side
    77,868.40x = 3,841,296,688.74
  5. Step 5: Solve for x
    x = 3,841,296,688.74/77,868.40
  6. Step 6: Final answer
    x = 49,330.62

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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.