Home / 80,084.34-110,539.48-52,880.36

Finding the Fourth Proportional to 80,084.34, 110,539.48 and 52,880.36

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Solution

The fourth proportional to 80,084.34, 110,539.48 and 52,880.36 is: 72,990.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,084.34 : 110,539.48 = 52,880.36 : x
  2. Step 2: Convert to fraction form
    80,084.34/110,539.48 = 52,880.36/x
  3. Step 3: Cross multiply
    80,084.34x = 110,539.48 × 52,880.36
  4. Step 4: Simplify right side
    80,084.34x = 5,845,367,496.61
  5. Step 5: Solve for x
    x = 5,845,367,496.61/80,084.34
  6. Step 6: Final answer
    x = 72,990.14

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1.5x scale

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.