Home / 89,601.12-134,390.88-47,464.56

Finding the Fourth Proportional to 89,601.12, 134,390.88 and 47,464.56

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Solution

The fourth proportional to 89,601.12, 134,390.88 and 47,464.56 is: 71,191.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,601.12 : 134,390.88 = 47,464.56 : x
  2. Step 2: Convert to fraction form
    89,601.12/134,390.88 = 47,464.56/x
  3. Step 3: Cross multiply
    89,601.12x = 134,390.88 × 47,464.56
  4. Step 4: Simplify right side
    89,601.12x = 6,378,803,987.21
  5. Step 5: Solve for x
    x = 6,378,803,987.21/89,601.12
  6. Step 6: Final answer
    x = 71,191.12

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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.