Home / 52,521.72-78,782.44-15,585.72

Finding the Fourth Proportional to 52,521.72, 78,782.44 and 15,585.72

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Solution

The fourth proportional to 52,521.72, 78,782.44 and 15,585.72 is: 23,378.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,521.72 : 78,782.44 = 15,585.72 : x
  2. Step 2: Convert to fraction form
    52,521.72/78,782.44 = 15,585.72/x
  3. Step 3: Cross multiply
    52,521.72x = 78,782.44 × 15,585.72
  4. Step 4: Simplify right side
    52,521.72x = 1,227,881,050.76
  5. Step 5: Solve for x
    x = 1,227,881,050.76/52,521.72
  6. Step 6: Final answer
    x = 23,378.54

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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.