Home / 52,555.63-78,786.56-19,267.93

Finding the Fourth Proportional to 52,555.63, 78,786.56 and 19,267.93

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Solution

The fourth proportional to 52,555.63, 78,786.56 and 19,267.93 is: 28,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,555.63 : 78,786.56 = 19,267.93 : x
  2. Step 2: Convert to fraction form
    52,555.63/78,786.56 = 19,267.93/x
  3. Step 3: Cross multiply
    52,555.63x = 78,786.56 × 19,267.93
  4. Step 4: Simplify right side
    52,555.63x = 1,518,053,529.09
  5. Step 5: Solve for x
    x = 1,518,053,529.09/52,555.63
  6. Step 6: Final answer
    x = 28,884.70

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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.