Home / 47,089.12-70,636.11-12,029.08

Finding the Fourth Proportional to 47,089.12, 70,636.11 and 12,029.08

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Solution

The fourth proportional to 47,089.12, 70,636.11 and 12,029.08 is: 18,044.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,089.12 : 70,636.11 = 12,029.08 : x
  2. Step 2: Convert to fraction form
    47,089.12/70,636.11 = 12,029.08/x
  3. Step 3: Cross multiply
    47,089.12x = 70,636.11 × 12,029.08
  4. Step 4: Simplify right side
    47,089.12x = 849,687,418.08
  5. Step 5: Solve for x
    x = 849,687,418.08/47,089.12
  6. Step 6: Final answer
    x = 18,044.24

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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.