Home / 77,553.48-116,100.57-47,875.89

Finding the Fourth Proportional to 77,553.48, 116,100.57 and 47,875.89

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Solution

The fourth proportional to 77,553.48, 116,100.57 and 47,875.89 is: 71,672.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,553.48 : 116,100.57 = 47,875.89 : x
  2. Step 2: Convert to fraction form
    77,553.48/116,100.57 = 47,875.89/x
  3. Step 3: Cross multiply
    77,553.48x = 116,100.57 × 47,875.89
  4. Step 4: Simplify right side
    77,553.48x = 5,558,418,118.26
  5. Step 5: Solve for x
    x = 5,558,418,118.26/77,553.48
  6. Step 6: Final answer
    x = 71,672.07

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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.