Home / 61,830.24-92,673.72-28,480.32

Finding the Fourth Proportional to 61,830.24, 92,673.72 and 28,480.32

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Solution

The fourth proportional to 61,830.24, 92,673.72 and 28,480.32 is: 42,687.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,830.24 : 92,673.72 = 28,480.32 : x
  2. Step 2: Convert to fraction form
    61,830.24/92,673.72 = 28,480.32/x
  3. Step 3: Cross multiply
    61,830.24x = 92,673.72 × 28,480.32
  4. Step 4: Simplify right side
    61,830.24x = 2,639,377,201.19
  5. Step 5: Solve for x
    x = 2,639,377,201.19/61,830.24
  6. Step 6: Final answer
    x = 42,687.48

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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.