Home / 55,315.08-82,984.92-15,869.16

Finding the Fourth Proportional to 55,315.08, 82,984.92 and 15,869.16

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Solution

The fourth proportional to 55,315.08, 82,984.92 and 15,869.16 is: 23,807.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,315.08 : 82,984.92 = 15,869.16 : x
  2. Step 2: Convert to fraction form
    55,315.08/82,984.92 = 15,869.16/x
  3. Step 3: Cross multiply
    55,315.08x = 82,984.92 × 15,869.16
  4. Step 4: Simplify right side
    55,315.08x = 1,316,900,973.07
  5. Step 5: Solve for x
    x = 1,316,900,973.07/55,315.08
  6. Step 6: Final answer
    x = 23,807.27

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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.