Home / 56,990.12-85,433.10-25,383.56

Finding the Fourth Proportional to 56,990.12, 85,433.10 and 25,383.56

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Solution

The fourth proportional to 56,990.12, 85,433.10 and 25,383.56 is: 38,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,990.12 : 85,433.10 = 25,383.56 : x
  2. Step 2: Convert to fraction form
    56,990.12/85,433.10 = 25,383.56/x
  3. Step 3: Cross multiply
    56,990.12x = 85,433.10 × 25,383.56
  4. Step 4: Simplify right side
    56,990.12x = 2,168,596,219.84
  5. Step 5: Solve for x
    x = 2,168,596,219.84/56,990.12
  6. Step 6: Final answer
    x = 38,052.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.