Home / 57,036.60-78,730.11-33,170.76

Finding the Fourth Proportional to 57,036.60, 78,730.11 and 33,170.76

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Solution

The fourth proportional to 57,036.60, 78,730.11 and 33,170.76 is: 45,787.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,036.60 : 78,730.11 = 33,170.76 : x
  2. Step 2: Convert to fraction form
    57,036.60/78,730.11 = 33,170.76/x
  3. Step 3: Cross multiply
    57,036.60x = 78,730.11 × 33,170.76
  4. Step 4: Simplify right side
    57,036.60x = 2,611,537,583.58
  5. Step 5: Solve for x
    x = 2,611,537,583.58/57,036.60
  6. Step 6: Final answer
    x = 45,787.05

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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.