Home / 80,436.12-110,990.70-53,595.96

Finding the Fourth Proportional to 80,436.12, 110,990.70 and 53,595.96

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Solution

The fourth proportional to 80,436.12, 110,990.70 and 53,595.96 is: 73,955.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,436.12 : 110,990.70 = 53,595.96 : x
  2. Step 2: Convert to fraction form
    80,436.12/110,990.70 = 53,595.96/x
  3. Step 3: Cross multiply
    80,436.12x = 110,990.70 × 53,595.96
  4. Step 4: Simplify right side
    80,436.12x = 5,948,653,117.57
  5. Step 5: Solve for x
    x = 5,948,653,117.57/80,436.12
  6. Step 6: Final answer
    x = 73,955.00

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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.