Home / 84,719.73-127,093.32-28,564.86

Finding the Fourth Proportional to 84,719.73, 127,093.32 and 28,564.86

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Solution

The fourth proportional to 84,719.73, 127,093.32 and 28,564.86 is: 42,851.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,719.73 : 127,093.32 = 28,564.86 : x
  2. Step 2: Convert to fraction form
    84,719.73/127,093.32 = 28,564.86/x
  3. Step 3: Cross multiply
    84,719.73x = 127,093.32 × 28,564.86
  4. Step 4: Simplify right side
    84,719.73x = 3,630,402,892.74
  5. Step 5: Solve for x
    x = 3,630,402,892.74/84,719.73
  6. Step 6: Final answer
    x = 42,851.92

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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.