Home / 47,088.12-70,634.61-12,028.08

Finding the Fourth Proportional to 47,088.12, 70,634.61 and 12,028.08

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Solution

The fourth proportional to 47,088.12, 70,634.61 and 12,028.08 is: 18,042.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,088.12 : 70,634.61 = 12,028.08 : x
  2. Step 2: Convert to fraction form
    47,088.12/70,634.61 = 12,028.08/x
  3. Step 3: Cross multiply
    47,088.12x = 70,634.61 × 12,028.08
  4. Step 4: Simplify right side
    47,088.12x = 849,598,739.85
  5. Step 5: Solve for x
    x = 849,598,739.85/47,088.12
  6. Step 6: Final answer
    x = 18,042.74

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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.