Home / 52,231.12-72,080.16-31,010.44

Finding the Fourth Proportional to 52,231.12, 72,080.16 and 31,010.44

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Solution

The fourth proportional to 52,231.12, 72,080.16 and 31,010.44 is: 42,795.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,231.12 : 72,080.16 = 31,010.44 : x
  2. Step 2: Convert to fraction form
    52,231.12/72,080.16 = 31,010.44/x
  3. Step 3: Cross multiply
    52,231.12x = 72,080.16 × 31,010.44
  4. Step 4: Simplify right side
    52,231.12x = 2,235,237,476.87
  5. Step 5: Solve for x
    x = 2,235,237,476.87/52,231.12
  6. Step 6: Final answer
    x = 42,795.13

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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.