Home / 77,024.14-115,564.91-47,099.90

Finding the Fourth Proportional to 77,024.14, 115,564.91 and 47,099.90

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Solution

The fourth proportional to 77,024.14, 115,564.91 and 47,099.90 is: 70,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,024.14 : 115,564.91 = 47,099.90 : x
  2. Step 2: Convert to fraction form
    77,024.14/115,564.91 = 47,099.90/x
  3. Step 3: Cross multiply
    77,024.14x = 115,564.91 × 47,099.90
  4. Step 4: Simplify right side
    77,024.14x = 5,443,095,757.92
  5. Step 5: Solve for x
    x = 5,443,095,757.92/77,024.14
  6. Step 6: Final answer
    x = 70,667.40

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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.