Home / 47,752.64-71,624.08-12,695.84

Finding the Fourth Proportional to 47,752.64, 71,624.08 and 12,695.84

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Solution

The fourth proportional to 47,752.64, 71,624.08 and 12,695.84 is: 19,042.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,752.64 : 71,624.08 = 12,695.84 : x
  2. Step 2: Convert to fraction form
    47,752.64/71,624.08 = 12,695.84/x
  3. Step 3: Cross multiply
    47,752.64x = 71,624.08 × 12,695.84
  4. Step 4: Simplify right side
    47,752.64x = 909,327,859.83
  5. Step 5: Solve for x
    x = 909,327,859.83/47,752.64
  6. Step 6: Final answer
    x = 19,042.46

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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.