Home / 55,802.10-83,693.55-20,723.70

Finding the Fourth Proportional to 55,802.10, 83,693.55 and 20,723.70

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Solution

The fourth proportional to 55,802.10, 83,693.55 and 20,723.70 is: 31,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,802.10 : 83,693.55 = 20,723.70 : x
  2. Step 2: Convert to fraction form
    55,802.10/83,693.55 = 20,723.70/x
  3. Step 3: Cross multiply
    55,802.10x = 83,693.55 × 20,723.70
  4. Step 4: Simplify right side
    55,802.10x = 1,734,440,022.14
  5. Step 5: Solve for x
    x = 1,734,440,022.14/55,802.10
  6. Step 6: Final answer
    x = 31,081.98

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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.