Home / 48,071.56-72,106.08-21,757.12

Finding the Fourth Proportional to 48,071.56, 72,106.08 and 21,757.12

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Solution

The fourth proportional to 48,071.56, 72,106.08 and 21,757.12 is: 32,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,071.56 : 72,106.08 = 21,757.12 : x
  2. Step 2: Convert to fraction form
    48,071.56/72,106.08 = 21,757.12/x
  3. Step 3: Cross multiply
    48,071.56x = 72,106.08 × 21,757.12
  4. Step 4: Simplify right side
    48,071.56x = 1,568,820,635.29
  5. Step 5: Solve for x
    x = 1,568,820,635.29/48,071.56
  6. Step 6: Final answer
    x = 32,635.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.