Home / 74,873.74-112,327.35-28,127.02

Finding the Fourth Proportional to 74,873.74, 112,327.35 and 28,127.02

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Solution

The fourth proportional to 74,873.74, 112,327.35 and 28,127.02 is: 42,196.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,873.74 : 112,327.35 = 28,127.02 : x
  2. Step 2: Convert to fraction form
    74,873.74/112,327.35 = 28,127.02/x
  3. Step 3: Cross multiply
    74,873.74x = 112,327.35 × 28,127.02
  4. Step 4: Simplify right side
    74,873.74x = 3,159,433,620.00
  5. Step 5: Solve for x
    x = 3,159,433,620.00/74,873.74
  6. Step 6: Final answer
    x = 42,196.82

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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.