Home / 60,071.11-82,900.49-39,893.20

Finding the Fourth Proportional to 60,071.11, 82,900.49 and 39,893.20

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Solution

The fourth proportional to 60,071.11, 82,900.49 and 39,893.20 is: 55,054.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,071.11 : 82,900.49 = 39,893.20 : x
  2. Step 2: Convert to fraction form
    60,071.11/82,900.49 = 39,893.20/x
  3. Step 3: Cross multiply
    60,071.11x = 82,900.49 × 39,893.20
  4. Step 4: Simplify right side
    60,071.11x = 3,307,165,628.20
  5. Step 5: Solve for x
    x = 3,307,165,628.20/60,071.11
  6. Step 6: Final answer
    x = 55,054.18

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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.