Home / 58,401.20-87,632.40-26,820.80

Finding the Fourth Proportional to 58,401.20, 87,632.40 and 26,820.80

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Solution

The fourth proportional to 58,401.20, 87,632.40 and 26,820.80 is: 40,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,401.20 : 87,632.40 = 26,820.80 : x
  2. Step 2: Convert to fraction form
    58,401.20/87,632.40 = 26,820.80/x
  3. Step 3: Cross multiply
    58,401.20x = 87,632.40 × 26,820.80
  4. Step 4: Simplify right side
    58,401.20x = 2,350,371,073.92
  5. Step 5: Solve for x
    x = 2,350,371,073.92/58,401.20
  6. Step 6: Final answer
    x = 40,245.25

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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.