Home / 74,922.24-112,400.10-28,175.52

Finding the Fourth Proportional to 74,922.24, 112,400.10 and 28,175.52

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Solution

The fourth proportional to 74,922.24, 112,400.10 and 28,175.52 is: 42,269.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,922.24 : 112,400.10 = 28,175.52 : x
  2. Step 2: Convert to fraction form
    74,922.24/112,400.10 = 28,175.52/x
  3. Step 3: Cross multiply
    74,922.24x = 112,400.10 × 28,175.52
  4. Step 4: Simplify right side
    74,922.24x = 3,166,931,265.55
  5. Step 5: Solve for x
    x = 3,166,931,265.55/74,922.24
  6. Step 6: Final answer
    x = 42,269.58

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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.