Home / 45,150.03-67,730.22-26,430.21

Finding the Fourth Proportional to 45,150.03, 67,730.22 and 26,430.21

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Solution

The fourth proportional to 45,150.03, 67,730.22 and 26,430.21 is: 39,648.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,150.03 : 67,730.22 = 26,430.21 : x
  2. Step 2: Convert to fraction form
    45,150.03/67,730.22 = 26,430.21/x
  3. Step 3: Cross multiply
    45,150.03x = 67,730.22 × 26,430.21
  4. Step 4: Simplify right side
    45,150.03x = 1,790,123,937.95
  5. Step 5: Solve for x
    x = 1,790,123,937.95/45,150.03
  6. Step 6: Final answer
    x = 39,648.34

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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.