Home / 77,204.76-106,544.55-45,375.36

Finding the Fourth Proportional to 77,204.76, 106,544.55 and 45,375.36

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Solution

The fourth proportional to 77,204.76, 106,544.55 and 45,375.36 is: 62,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,204.76 : 106,544.55 = 45,375.36 : x
  2. Step 2: Convert to fraction form
    77,204.76/106,544.55 = 45,375.36/x
  3. Step 3: Cross multiply
    77,204.76x = 106,544.55 × 45,375.36
  4. Step 4: Simplify right side
    77,204.76x = 4,834,497,312.29
  5. Step 5: Solve for x
    x = 4,834,497,312.29/77,204.76
  6. Step 6: Final answer
    x = 62,619.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.