Home / 57,111.08-85,674.81-17,671.28

Finding the Fourth Proportional to 57,111.08, 85,674.81 and 17,671.28

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Solution

The fourth proportional to 57,111.08, 85,674.81 and 17,671.28 is: 26,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,111.08 : 85,674.81 = 17,671.28 : x
  2. Step 2: Convert to fraction form
    57,111.08/85,674.81 = 17,671.28/x
  3. Step 3: Cross multiply
    57,111.08x = 85,674.81 × 17,671.28
  4. Step 4: Simplify right side
    57,111.08x = 1,513,983,556.46
  5. Step 5: Solve for x
    x = 1,513,983,556.46/57,111.08
  6. Step 6: Final answer
    x = 26,509.45

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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.