Home / 87,339.04-120,513.36-49,599.52

Finding the Fourth Proportional to 87,339.04, 120,513.36 and 49,599.52

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Solution

The fourth proportional to 87,339.04, 120,513.36 and 49,599.52 is: 68,439.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,339.04 : 120,513.36 = 49,599.52 : x
  2. Step 2: Convert to fraction form
    87,339.04/120,513.36 = 49,599.52/x
  3. Step 3: Cross multiply
    87,339.04x = 120,513.36 × 49,599.52
  4. Step 4: Simplify right side
    87,339.04x = 5,977,404,809.59
  5. Step 5: Solve for x
    x = 5,977,404,809.59/87,339.04
  6. Step 6: Final answer
    x = 68,439.09

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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.