Home / 81,554.04-112,766.58-71,056.44

Finding the Fourth Proportional to 81,554.04, 112,766.58 and 71,056.44

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Solution

The fourth proportional to 81,554.04, 112,766.58 and 71,056.44 is: 98,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,554.04 : 112,766.58 = 71,056.44 : x
  2. Step 2: Convert to fraction form
    81,554.04/112,766.58 = 71,056.44/x
  3. Step 3: Cross multiply
    81,554.04x = 112,766.58 × 71,056.44
  4. Step 4: Simplify right side
    81,554.04x = 8,012,791,725.78
  5. Step 5: Solve for x
    x = 8,012,791,725.78/81,554.04
  6. Step 6: Final answer
    x = 98,251.32

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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.