Home / 52,628.55-78,973.95-19,371.98

Finding the Fourth Proportional to 52,628.55, 78,973.95 and 19,371.98

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Solution

The fourth proportional to 52,628.55, 78,973.95 and 19,371.98 is: 29,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,628.55 : 78,973.95 = 19,371.98 : x
  2. Step 2: Convert to fraction form
    52,628.55/78,973.95 = 19,371.98/x
  3. Step 3: Cross multiply
    52,628.55x = 78,973.95 × 19,371.98
  4. Step 4: Simplify right side
    52,628.55x = 1,529,881,385.05
  5. Step 5: Solve for x
    x = 1,529,881,385.05/52,628.55
  6. Step 6: Final answer
    x = 29,069.42

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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.