Home / 71,113.26-98,137.23-40,899.18

Finding the Fourth Proportional to 71,113.26, 98,137.23 and 40,899.18

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Solution

The fourth proportional to 71,113.26, 98,137.23 and 40,899.18 is: 56,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,113.26 : 98,137.23 = 40,899.18 : x
  2. Step 2: Convert to fraction form
    71,113.26/98,137.23 = 40,899.18/x
  3. Step 3: Cross multiply
    71,113.26x = 98,137.23 × 40,899.18
  4. Step 4: Simplify right side
    71,113.26x = 4,013,732,234.47
  5. Step 5: Solve for x
    x = 4,013,732,234.47/71,113.26
  6. Step 6: Final answer
    x = 56,441.40

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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.