Home / 52,468.88-78,705.24-21,303.44

Finding the Fourth Proportional to 52,468.88, 78,705.24 and 21,303.44

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Solution

The fourth proportional to 52,468.88, 78,705.24 and 21,303.44 is: 31,955.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,468.88 : 78,705.24 = 21,303.44 : x
  2. Step 2: Convert to fraction form
    52,468.88/78,705.24 = 21,303.44/x
  3. Step 3: Cross multiply
    52,468.88x = 78,705.24 × 21,303.44
  4. Step 4: Simplify right side
    52,468.88x = 1,676,692,358.03
  5. Step 5: Solve for x
    x = 1,676,692,358.03/52,468.88
  6. Step 6: Final answer
    x = 31,955.94

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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.