Home / 55,983.30-83,973.15-18,545.10

Finding the Fourth Proportional to 55,983.30, 83,973.15 and 18,545.10

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Solution

The fourth proportional to 55,983.30, 83,973.15 and 18,545.10 is: 27,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,983.30 : 83,973.15 = 18,545.10 : x
  2. Step 2: Convert to fraction form
    55,983.30/83,973.15 = 18,545.10/x
  3. Step 3: Cross multiply
    55,983.30x = 83,973.15 × 18,545.10
  4. Step 4: Simplify right side
    55,983.30x = 1,557,290,464.07
  5. Step 5: Solve for x
    x = 1,557,290,464.07/55,983.30
  6. Step 6: Final answer
    x = 27,817.05

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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.