Home / 84,742.32-127,063.64-32,155.50

Finding the Fourth Proportional to 84,742.32, 127,063.64 and 32,155.50

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Solution

The fourth proportional to 84,742.32, 127,063.64 and 32,155.50 is: 48,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,742.32 : 127,063.64 = 32,155.50 : x
  2. Step 2: Convert to fraction form
    84,742.32/127,063.64 = 32,155.50/x
  3. Step 3: Cross multiply
    84,742.32x = 127,063.64 × 32,155.50
  4. Step 4: Simplify right side
    84,742.32x = 4,085,794,876.02
  5. Step 5: Solve for x
    x = 4,085,794,876.02/84,742.32
  6. Step 6: Final answer
    x = 48,214.34

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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.