Home / 58,623.32-87,943.18-19,172.58

Finding the Fourth Proportional to 58,623.32, 87,943.18 and 19,172.58

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Solution

The fourth proportional to 58,623.32, 87,943.18 and 19,172.58 is: 28,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,623.32 : 87,943.18 = 19,172.58 : x
  2. Step 2: Convert to fraction form
    58,623.32/87,943.18 = 19,172.58/x
  3. Step 3: Cross multiply
    58,623.32x = 87,943.18 × 19,172.58
  4. Step 4: Simplify right side
    58,623.32x = 1,686,097,654.00
  5. Step 5: Solve for x
    x = 1,686,097,654.00/58,623.32
  6. Step 6: Final answer
    x = 28,761.55

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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.