Home / 47,303.72-70,950.08-12,240.64

Finding the Fourth Proportional to 47,303.72, 70,950.08 and 12,240.64

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Solution

The fourth proportional to 47,303.72, 70,950.08 and 12,240.64 is: 18,359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,303.72 : 70,950.08 = 12,240.64 : x
  2. Step 2: Convert to fraction form
    47,303.72/70,950.08 = 12,240.64/x
  3. Step 3: Cross multiply
    47,303.72x = 70,950.08 × 12,240.64
  4. Step 4: Simplify right side
    47,303.72x = 868,474,387.25
  5. Step 5: Solve for x
    x = 868,474,387.25/47,303.72
  6. Step 6: Final answer
    x = 18,359.54

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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.