Home / 52,364.16-78,551.10-21,201.84

Finding the Fourth Proportional to 52,364.16, 78,551.10 and 21,201.84

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Solution

The fourth proportional to 52,364.16, 78,551.10 and 21,201.84 is: 31,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,364.16 : 78,551.10 = 21,201.84 : x
  2. Step 2: Convert to fraction form
    52,364.16/78,551.10 = 21,201.84/x
  3. Step 3: Cross multiply
    52,364.16x = 78,551.10 × 21,201.84
  4. Step 4: Simplify right side
    52,364.16x = 1,665,427,854.02
  5. Step 5: Solve for x
    x = 1,665,427,854.02/52,364.16
  6. Step 6: Final answer
    x = 31,804.73

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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.