Home / 89,941.59-124,135.64-53,645.37

Finding the Fourth Proportional to 89,941.59, 124,135.64 and 53,645.37

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Solution

The fourth proportional to 89,941.59, 124,135.64 and 53,645.37 is: 74,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,941.59 : 124,135.64 = 53,645.37 : x
  2. Step 2: Convert to fraction form
    89,941.59/124,135.64 = 53,645.37/x
  3. Step 3: Cross multiply
    89,941.59x = 124,135.64 × 53,645.37
  4. Step 4: Simplify right side
    89,941.59x = 6,659,302,337.99
  5. Step 5: Solve for x
    x = 6,659,302,337.99/89,941.59
  6. Step 6: Final answer
    x = 74,040.30

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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.