Home / 57,119.04-85,662.12-19,677.60

Finding the Fourth Proportional to 57,119.04, 85,662.12 and 19,677.60

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Solution

The fourth proportional to 57,119.04, 85,662.12 and 19,677.60 is: 29,510.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,119.04 : 85,662.12 = 19,677.60 : x
  2. Step 2: Convert to fraction form
    57,119.04/85,662.12 = 19,677.60/x
  3. Step 3: Cross multiply
    57,119.04x = 85,662.12 × 19,677.60
  4. Step 4: Simplify right side
    57,119.04x = 1,685,624,932.51
  5. Step 5: Solve for x
    x = 1,685,624,932.51/57,119.04
  6. Step 6: Final answer
    x = 29,510.74

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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.