Home / 77,402.14-116,113.54-30,644.08

Finding the Fourth Proportional to 77,402.14, 116,113.54 and 30,644.08

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Solution

The fourth proportional to 77,402.14, 116,113.54 and 30,644.08 is: 45,970.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,402.14 : 116,113.54 = 30,644.08 : x
  2. Step 2: Convert to fraction form
    77,402.14/116,113.54 = 30,644.08/x
  3. Step 3: Cross multiply
    77,402.14x = 116,113.54 × 30,644.08
  4. Step 4: Simplify right side
    77,402.14x = 3,558,192,608.84
  5. Step 5: Solve for x
    x = 3,558,192,608.84/77,402.14
  6. Step 6: Final answer
    x = 45,970.21

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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.