Home / 84,790.59-117,011.49-52,977.96

Finding the Fourth Proportional to 84,790.59, 117,011.49 and 52,977.96

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Solution

The fourth proportional to 84,790.59, 117,011.49 and 52,977.96 is: 73,109.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,790.59 : 117,011.49 = 52,977.96 : x
  2. Step 2: Convert to fraction form
    84,790.59/117,011.49 = 52,977.96/x
  3. Step 3: Cross multiply
    84,790.59x = 117,011.49 × 52,977.96
  4. Step 4: Simplify right side
    84,790.59x = 6,199,030,036.76
  5. Step 5: Solve for x
    x = 6,199,030,036.76/84,790.59
  6. Step 6: Final answer
    x = 73,109.88

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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.