Home / 104,134.83-143,706.59-56,388.36

Finding the Fourth Proportional to 104,134.83, 143,706.59 and 56,388.36

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Solution

The fourth proportional to 104,134.83, 143,706.59 and 56,388.36 is: 77,816.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,134.83 : 143,706.59 = 56,388.36 : x
  2. Step 2: Convert to fraction form
    104,134.83/143,706.59 = 56,388.36/x
  3. Step 3: Cross multiply
    104,134.83x = 143,706.59 × 56,388.36
  4. Step 4: Simplify right side
    104,134.83x = 8,103,378,931.29
  5. Step 5: Solve for x
    x = 8,103,378,931.29/104,134.83
  6. Step 6: Final answer
    x = 77,816.22

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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.