Home / 52,125.12-71,889.12-42,677.28

Finding the Fourth Proportional to 52,125.12, 71,889.12 and 42,677.28

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Solution

The fourth proportional to 52,125.12, 71,889.12 and 42,677.28 is: 58,858.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,125.12 : 71,889.12 = 42,677.28 : x
  2. Step 2: Convert to fraction form
    52,125.12/71,889.12 = 42,677.28/x
  3. Step 3: Cross multiply
    52,125.12x = 71,889.12 × 42,677.28
  4. Step 4: Simplify right side
    52,125.12x = 3,068,032,103.19
  5. Step 5: Solve for x
    x = 3,068,032,103.19/52,125.12
  6. Step 6: Final answer
    x = 58,858.99

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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.