Home / 57,886.09-86,828.21-18,442.93

Finding the Fourth Proportional to 57,886.09, 86,828.21 and 18,442.93

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Solution

The fourth proportional to 57,886.09, 86,828.21 and 18,442.93 is: 27,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,886.09 : 86,828.21 = 18,442.93 : x
  2. Step 2: Convert to fraction form
    57,886.09/86,828.21 = 18,442.93/x
  3. Step 3: Cross multiply
    57,886.09x = 86,828.21 × 18,442.93
  4. Step 4: Simplify right side
    57,886.09x = 1,601,366,599.06
  5. Step 5: Solve for x
    x = 1,601,366,599.06/57,886.09
  6. Step 6: Final answer
    x = 27,664.10

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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.