Home / 47,772.56-71,658.75-12,712.22

Finding the Fourth Proportional to 47,772.56, 71,658.75 and 12,712.22

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Solution

The fourth proportional to 47,772.56, 71,658.75 and 12,712.22 is: 19,068.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,772.56 : 71,658.75 = 12,712.22 : x
  2. Step 2: Convert to fraction form
    47,772.56/71,658.75 = 12,712.22/x
  3. Step 3: Cross multiply
    47,772.56x = 71,658.75 × 12,712.22
  4. Step 4: Simplify right side
    47,772.56x = 910,941,794.93
  5. Step 5: Solve for x
    x = 910,941,794.93/47,772.56
  6. Step 6: Final answer
    x = 19,068.31

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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.