Home / 75,137.94-112,603.23-54,298.26

Finding the Fourth Proportional to 75,137.94, 112,603.23 and 54,298.26

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Solution

The fourth proportional to 75,137.94, 112,603.23 and 54,298.26 is: 81,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,137.94 : 112,603.23 = 54,298.26 : x
  2. Step 2: Convert to fraction form
    75,137.94/112,603.23 = 54,298.26/x
  3. Step 3: Cross multiply
    75,137.94x = 112,603.23 × 54,298.26
  4. Step 4: Simplify right side
    75,137.94x = 6,114,159,459.38
  5. Step 5: Solve for x
    x = 6,114,159,459.38/75,137.94
  6. Step 6: Final answer
    x = 81,372.47

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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.