Home / 71,783.11-99,070.10-41,168.20

Finding the Fourth Proportional to 71,783.11, 99,070.10 and 41,168.20

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Solution

The fourth proportional to 71,783.11, 99,070.10 and 41,168.20 is: 56,817.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,783.11 : 99,070.10 = 41,168.20 : x
  2. Step 2: Convert to fraction form
    71,783.11/99,070.10 = 41,168.20/x
  3. Step 3: Cross multiply
    71,783.11x = 99,070.10 × 41,168.20
  4. Step 4: Simplify right side
    71,783.11x = 4,078,537,690.82
  5. Step 5: Solve for x
    x = 4,078,537,690.82/71,783.11
  6. Step 6: Final answer
    x = 56,817.51

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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.