Home / 52,415.95-78,635.64-19,136.04

Finding the Fourth Proportional to 52,415.95, 78,635.64 and 19,136.04

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Solution

The fourth proportional to 52,415.95, 78,635.64 and 19,136.04 is: 28,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,415.95 : 78,635.64 = 19,136.04 : x
  2. Step 2: Convert to fraction form
    52,415.95/78,635.64 = 19,136.04/x
  3. Step 3: Cross multiply
    52,415.95x = 78,635.64 × 19,136.04
  4. Step 4: Simplify right side
    52,415.95x = 1,504,774,752.47
  5. Step 5: Solve for x
    x = 1,504,774,752.47/52,415.95
  6. Step 6: Final answer
    x = 28,708.34

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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.