Home / 71,024.18-98,018.90-40,820.04

Finding the Fourth Proportional to 71,024.18, 98,018.90 and 40,820.04

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Solution

The fourth proportional to 71,024.18, 98,018.90 and 40,820.04 is: 56,334.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,024.18 : 98,018.90 = 40,820.04 : x
  2. Step 2: Convert to fraction form
    71,024.18/98,018.90 = 40,820.04/x
  3. Step 3: Cross multiply
    71,024.18x = 98,018.90 × 40,820.04
  4. Step 4: Simplify right side
    71,024.18x = 4,001,135,418.76
  5. Step 5: Solve for x
    x = 4,001,135,418.76/71,024.18
  6. Step 6: Final answer
    x = 56,334.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.