Home / 81,496.07-112,464.96-47,528.12

Finding the Fourth Proportional to 81,496.07, 112,464.96 and 47,528.12

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Solution

The fourth proportional to 81,496.07, 112,464.96 and 47,528.12 is: 65,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,496.07 : 112,464.96 = 47,528.12 : x
  2. Step 2: Convert to fraction form
    81,496.07/112,464.96 = 47,528.12/x
  3. Step 3: Cross multiply
    81,496.07x = 112,464.96 × 47,528.12
  4. Step 4: Simplify right side
    81,496.07x = 5,345,248,114.68
  5. Step 5: Solve for x
    x = 5,345,248,114.68/81,496.07
  6. Step 6: Final answer
    x = 65,589.03

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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.