Home / 55,810.62-83,730.42-18,376.50

Finding the Fourth Proportional to 55,810.62, 83,730.42 and 18,376.50

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Solution

The fourth proportional to 55,810.62, 83,730.42 and 18,376.50 is: 27,569.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,810.62 : 83,730.42 = 18,376.50 : x
  2. Step 2: Convert to fraction form
    55,810.62/83,730.42 = 18,376.50/x
  3. Step 3: Cross multiply
    55,810.62x = 83,730.42 × 18,376.50
  4. Step 4: Simplify right side
    55,810.62x = 1,538,672,063.13
  5. Step 5: Solve for x
    x = 1,538,672,063.13/55,810.62
  6. Step 6: Final answer
    x = 27,569.52

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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.