Home / 57,127.29-85,690.01-15,574.29

Finding the Fourth Proportional to 57,127.29, 85,690.01 and 15,574.29

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Solution

The fourth proportional to 57,127.29, 85,690.01 and 15,574.29 is: 23,361.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,127.29 : 85,690.01 = 15,574.29 : x
  2. Step 2: Convert to fraction form
    57,127.29/85,690.01 = 15,574.29/x
  3. Step 3: Cross multiply
    57,127.29x = 85,690.01 × 15,574.29
  4. Step 4: Simplify right side
    57,127.29x = 1,334,560,637.39
  5. Step 5: Solve for x
    x = 1,334,560,637.39/57,127.29
  6. Step 6: Final answer
    x = 23,361.18

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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.