Home / 55,314.14-82,971.66-15,872.51

Finding the Fourth Proportional to 55,314.14, 82,971.66 and 15,872.51

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Solution

The fourth proportional to 55,314.14, 82,971.66 and 15,872.51 is: 23,808.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,314.14 : 82,971.66 = 15,872.51 : x
  2. Step 2: Convert to fraction form
    55,314.14/82,971.66 = 15,872.51/x
  3. Step 3: Cross multiply
    55,314.14x = 82,971.66 × 15,872.51
  4. Step 4: Simplify right side
    55,314.14x = 1,316,968,088.21
  5. Step 5: Solve for x
    x = 1,316,968,088.21/55,314.14
  6. Step 6: Final answer
    x = 23,808.89

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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.