Home / 87,594.52-120,880.40-47,308.29

Finding the Fourth Proportional to 87,594.52, 120,880.40 and 47,308.29

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Solution

The fourth proportional to 87,594.52, 120,880.40 and 47,308.29 is: 65,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,594.52 : 120,880.40 = 47,308.29 : x
  2. Step 2: Convert to fraction form
    87,594.52/120,880.40 = 47,308.29/x
  3. Step 3: Cross multiply
    87,594.52x = 120,880.40 × 47,308.29
  4. Step 4: Simplify right side
    87,594.52x = 5,718,645,018.52
  5. Step 5: Solve for x
    x = 5,718,645,018.52/87,594.52
  6. Step 6: Final answer
    x = 65,285.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.