Home / 60,140.30-82,964.39-39,730.34

Finding the Fourth Proportional to 60,140.30, 82,964.39 and 39,730.34

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Solution

The fourth proportional to 60,140.30, 82,964.39 and 39,730.34 is: 54,808.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,140.30 : 82,964.39 = 39,730.34 : x
  2. Step 2: Convert to fraction form
    60,140.30/82,964.39 = 39,730.34/x
  3. Step 3: Cross multiply
    60,140.30x = 82,964.39 × 39,730.34
  4. Step 4: Simplify right side
    60,140.30x = 3,296,203,431.35
  5. Step 5: Solve for x
    x = 3,296,203,431.35/60,140.30
  6. Step 6: Final answer
    x = 54,808.57

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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.