Home / 84,790.60-117,011.48-52,977.95

Finding the Fourth Proportional to 84,790.60, 117,011.48 and 52,977.95

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Solution

The fourth proportional to 84,790.60, 117,011.48 and 52,977.95 is: 73,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,790.60 : 117,011.48 = 52,977.95 : x
  2. Step 2: Convert to fraction form
    84,790.60/117,011.48 = 52,977.95/x
  3. Step 3: Cross multiply
    84,790.60x = 117,011.48 × 52,977.95
  4. Step 4: Simplify right side
    84,790.60x = 6,199,028,336.87
  5. Step 5: Solve for x
    x = 6,199,028,336.87/84,790.60
  6. Step 6: Final answer
    x = 73,109.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.