Home / 52,285.12-72,153.29-29,628.43

Finding the Fourth Proportional to 52,285.12, 72,153.29 and 29,628.43

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Solution

The fourth proportional to 52,285.12, 72,153.29 and 29,628.43 is: 40,887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,285.12 : 72,153.29 = 29,628.43 : x
  2. Step 2: Convert to fraction form
    52,285.12/72,153.29 = 29,628.43/x
  3. Step 3: Cross multiply
    52,285.12x = 72,153.29 × 29,628.43
  4. Step 4: Simplify right side
    52,285.12x = 2,137,788,595.72
  5. Step 5: Solve for x
    x = 2,137,788,595.72/52,285.12
  6. Step 6: Final answer
    x = 40,887.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.