Home / 84,733.96-127,068.57-28,558.98

Finding the Fourth Proportional to 84,733.96, 127,068.57 and 28,558.98

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Solution

The fourth proportional to 84,733.96, 127,068.57 and 28,558.98 is: 42,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,733.96 : 127,068.57 = 28,558.98 : x
  2. Step 2: Convert to fraction form
    84,733.96/127,068.57 = 28,558.98/x
  3. Step 3: Cross multiply
    84,733.96x = 127,068.57 × 28,558.98
  4. Step 4: Simplify right side
    84,733.96x = 3,628,948,113.92
  5. Step 5: Solve for x
    x = 3,628,948,113.92/84,733.96
  6. Step 6: Final answer
    x = 42,827.55

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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.