Home / 57,053.36-85,559.09-19,602.81

Finding the Fourth Proportional to 57,053.36, 85,559.09 and 19,602.81

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Solution

The fourth proportional to 57,053.36, 85,559.09 and 19,602.81 is: 29,397.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,053.36 : 85,559.09 = 19,602.81 : x
  2. Step 2: Convert to fraction form
    57,053.36/85,559.09 = 19,602.81/x
  3. Step 3: Cross multiply
    57,053.36x = 85,559.09 × 19,602.81
  4. Step 4: Simplify right side
    57,053.36x = 1,677,198,487.03
  5. Step 5: Solve for x
    x = 1,677,198,487.03/57,053.36
  6. Step 6: Final answer
    x = 29,397.01

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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.