Home / 87,050.03-130,545.27-57,271.59

Finding the Fourth Proportional to 87,050.03, 130,545.27 and 57,271.59

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Solution

The fourth proportional to 87,050.03, 130,545.27 and 57,271.59 is: 85,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,050.03 : 130,545.27 = 57,271.59 : x
  2. Step 2: Convert to fraction form
    87,050.03/130,545.27 = 57,271.59/x
  3. Step 3: Cross multiply
    87,050.03x = 130,545.27 × 57,271.59
  4. Step 4: Simplify right side
    87,050.03x = 7,476,535,179.88
  5. Step 5: Solve for x
    x = 7,476,535,179.88/87,050.03
  6. Step 6: Final answer
    x = 85,887.80

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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.