Home / 74,927.24-112,407.60-28,180.52

Finding the Fourth Proportional to 74,927.24, 112,407.60 and 28,180.52

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Solution

The fourth proportional to 74,927.24, 112,407.60 and 28,180.52 is: 42,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,927.24 : 112,407.60 = 28,180.52 : x
  2. Step 2: Convert to fraction form
    74,927.24/112,407.60 = 28,180.52/x
  3. Step 3: Cross multiply
    74,927.24x = 112,407.60 × 28,180.52
  4. Step 4: Simplify right side
    74,927.24x = 3,167,704,619.95
  5. Step 5: Solve for x
    x = 3,167,704,619.95/74,927.24
  6. Step 6: Final answer
    x = 42,277.08

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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.