Home / 49,130.83-73,724.81-20,665.69

Finding the Fourth Proportional to 49,130.83, 73,724.81 and 20,665.69

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Solution

The fourth proportional to 49,130.83, 73,724.81 and 20,665.69 is: 31,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,130.83 : 73,724.81 = 20,665.69 : x
  2. Step 2: Convert to fraction form
    49,130.83/73,724.81 = 20,665.69/x
  3. Step 3: Cross multiply
    49,130.83x = 73,724.81 × 20,665.69
  4. Step 4: Simplify right side
    49,130.83x = 1,523,574,068.77
  5. Step 5: Solve for x
    x = 1,523,574,068.77/49,130.83
  6. Step 6: Final answer
    x = 31,010.55

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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.