Home / 87,307.05-131,025.78-59,160.36

Finding the Fourth Proportional to 87,307.05, 131,025.78 and 59,160.36

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Solution

The fourth proportional to 87,307.05, 131,025.78 and 59,160.36 is: 88,784.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,307.05 : 131,025.78 = 59,160.36 : x
  2. Step 2: Convert to fraction form
    87,307.05/131,025.78 = 59,160.36/x
  3. Step 3: Cross multiply
    87,307.05x = 131,025.78 × 59,160.36
  4. Step 4: Simplify right side
    87,307.05x = 7,751,532,314.08
  5. Step 5: Solve for x
    x = 7,751,532,314.08/87,307.05
  6. Step 6: Final answer
    x = 88,784.72

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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.