Home / 52,288.74-78,426.63-19,007.46

Finding the Fourth Proportional to 52,288.74, 78,426.63 and 19,007.46

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Solution

The fourth proportional to 52,288.74, 78,426.63 and 19,007.46 is: 28,508.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,288.74 : 78,426.63 = 19,007.46 : x
  2. Step 2: Convert to fraction form
    52,288.74/78,426.63 = 19,007.46/x
  3. Step 3: Cross multiply
    52,288.74x = 78,426.63 × 19,007.46
  4. Step 4: Simplify right side
    52,288.74x = 1,490,691,032.66
  5. Step 5: Solve for x
    x = 1,490,691,032.66/52,288.74
  6. Step 6: Final answer
    x = 28,508.83

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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.