Home / 87,332.00-130,993.40-28,167.67

Finding the Fourth Proportional to 87,332.00, 130,993.40 and 28,167.67

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Solution

The fourth proportional to 87,332.00, 130,993.40 and 28,167.67 is: 42,250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,332.00 : 130,993.40 = 28,167.67 : x
  2. Step 2: Convert to fraction form
    87,332.00/130,993.40 = 28,167.67/x
  3. Step 3: Cross multiply
    87,332.00x = 130,993.40 × 28,167.67
  4. Step 4: Simplify right side
    87,332.00x = 3,689,779,465.96
  5. Step 5: Solve for x
    x = 3,689,779,465.96/87,332.00
  6. Step 6: Final answer
    x = 42,250.03

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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.