Home / 52,087.10-71,876.48-30,577.74

Finding the Fourth Proportional to 52,087.10, 71,876.48 and 30,577.74

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Solution

The fourth proportional to 52,087.10, 71,876.48 and 30,577.74 is: 42,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,087.10 : 71,876.48 = 30,577.74 : x
  2. Step 2: Convert to fraction form
    52,087.10/71,876.48 = 30,577.74/x
  3. Step 3: Cross multiply
    52,087.10x = 71,876.48 × 30,577.74
  4. Step 4: Simplify right side
    52,087.10x = 2,197,820,317.56
  5. Step 5: Solve for x
    x = 2,197,820,317.56/52,087.10
  6. Step 6: Final answer
    x = 42,195.10

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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.